697088 has 36 divisors (see below), whose sum is σ = 1594320. Its totient is φ = 297984.

The previous prime is 697087. The next prime is 697093. The reversal of 697088 is 880796.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (697087) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1598 + ... + 1986.

2⁶⁹⁷⁰⁸⁸ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 697088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (797160).

697088 is an abundant number, since it is smaller than the sum of its proper divisors (897232).

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

697088 is an equidigital number, since it uses as much as digits as its factorization.

697088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 412 (or 398 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 38.

The square root of 697088 is about 834.9179600416. The cubic root of 697088 is about 88.6671063602.

The spelling of 697088 in words is "six hundred ninety-seven thousand, eighty-eight".