697623 has 8 divisors (see below), whose sum is σ = 979200. Its totient is φ = 440568.

The previous prime is 697603. The next prime is 697637. The reversal of 697623 is 326796.

697623 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 697623 - 2⁵ = 697591 is a prime.

It is a nialpdrome in base 15.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 697623.

It is not an unprimeable number, because it can be changed into a prime (697603) 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, 6063 + ... + 6176.

It is an arithmetic number, because the mean of its divisors is an integer number (122400).

2⁶⁹⁷⁶²³ is an apocalyptic number.

697623 is a deficient number, since it is larger than the sum of its proper divisors (281577).

697623 is a wasteful number, since it uses less digits than its factorization.

697623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12261.

The product of its digits is 13608, while the sum is 33.

The square root of 697623 is about 835.2382893522. The cubic root of 697623 is about 88.6897839234.

The spelling of 697623 in words is "six hundred ninety-seven thousand, six hundred twenty-three".