697580 has 24 divisors (see below), whose sum is σ = 1578192. Its totient is φ = 257472.

The previous prime is 697579. The next prime is 697583. The reversal of 697580 is 85796.

697580 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an Ulam number.

It is a nialpdrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 697580.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 697580.

It is not an unprimeable number, because it can be changed into a prime (697583) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1082 + ... + 1601.

It is an arithmetic number, because the mean of its divisors is an integer number (65758).

2⁶⁹⁷⁵⁸⁰ is an apocalyptic number.

It is an amenable number.

697580 is an abundant number, since it is smaller than the sum of its proper divisors (880612).

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

697580 is a wasteful number, since it uses less digits than its factorization.

697580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2705 (or 2703 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 35.

The square root of 697580 is about 835.2125477985. The cubic root of 697580 is about 88.6879616693.

The spelling of 697580 in words is "six hundred ninety-seven thousand, five hundred eighty".