696638 has 8 divisors (see below), whose sum is σ = 1081080. Its totient is φ = 336280.

The previous prime is 696629. The next prime is 696653. The reversal of 696638 is 836696.

It is a happy number.

696638 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 a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 696638.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5948 + ... + 6063.

It is an arithmetic number, because the mean of its divisors is an integer number (135135).

2⁶⁹⁶⁶³⁸ is an apocalyptic number.

696638 is a deficient number, since it is larger than the sum of its proper divisors (384442).

696638 is a wasteful number, since it uses less digits than its factorization.

696638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12042.

The product of its digits is 46656, while the sum is 38.

The square root of 696638 is about 834.6484289807. The cubic root of 696638 is about 88.6480227884.

The spelling of 696638 in words is "six hundred ninety-six thousand, six hundred thirty-eight".