697183620 has 192 divisors, whose sum is σ = 2289154560. Its totient is φ = 155271168.

The previous prime is 697183607. The next prime is 697183621. The reversal of 697183620 is 26381796.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (697183621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4440582 + ... + 4440738.

It is an arithmetic number, because the mean of its divisors is an integer number (11922680).

Almost surely, 2^697183620 is an apocalyptic number.

697183620 is a gapful number since it is divisible by the number (60) 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 697183620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1144577280).

697183620 is an abundant number, since it is smaller than the sum of its proper divisors (1591970940).

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

697183620 is a wasteful number, since it uses less digits than its factorization.

697183620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 382 (or 380 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 42.

The square root of 697183620 is about 26404.2348876085. The cubic root of 697183620 is about 886.7116034913.

The spelling of 697183620 in words is "six hundred ninety-seven million, one hundred eighty-three thousand, six hundred twenty".