697356 has 48 divisors (see below), whose sum is σ = 1975680. Its totient is φ = 210960.

The previous prime is 697351. The next prime is 697373. The reversal of 697356 is 653796.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 697356.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 697356.

It is not an unprimeable number, because it can be changed into a prime (697351) by changing a digit.

697356 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 895 + ... + 1481.

It is an arithmetic number, because the mean of its divisors is an integer number (41160).

2⁶⁹⁷³⁵⁶ is an apocalyptic number.

697356 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 697356, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (987840).

697356 is an abundant number, since it is smaller than the sum of its proper divisors (1278324).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

697356 is a wasteful number, since it uses less digits than its factorization.

697356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 611 (or 603 counting only the distinct ones).

The product of its digits is 34020, while the sum is 36.

The square root of 697356 is about 835.0784394295. The cubic root of 697356 is about 88.6784677856.

The spelling of 697356 in words is "six hundred ninety-seven thousand, three hundred fifty-six".