697026 has 32 divisors (see below), whose sum is σ = 1555200. Its totient is φ = 206480.

The previous prime is 697019. The next prime is 697033. The reversal of 697026 is 620796.

It is an interprime number because it is at equal distance from previous prime (697019) and next prime (697033).

It is a junction number, because it is equal to n+sod(n) for n = 696984 and 697002.

It is an unprimeable number.

697026 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3805 + ... + 3983.

It is an arithmetic number, because the mean of its divisors is an integer number (48600).

2⁶⁹⁷⁰²⁶ is an apocalyptic number.

697026 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 697026, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (777600).

697026 is an abundant number, since it is smaller than the sum of its proper divisors (858174).

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

697026 is a wasteful number, since it uses less digits than its factorization.

697026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254.

The product of its (nonzero) digits is 4536, while the sum is 30.

The square root of 697026 is about 834.8808298194. The cubic root of 697026 is about 88.6644775560.

It can be divided in two parts, 6970 and 26, that added together give a palindrome (6996).

The spelling of 697026 in words is "six hundred ninety-seven thousand, twenty-six".