696637 has 4 divisors (see below), whose sum is σ = 698400. Its totient is φ = 694876.

The previous prime is 696629. The next prime is 696653. The reversal of 696637 is 736696.

696637 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 696637 - 2³ = 696629 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 696596 and 696605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (696607) 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, 18 + ... + 1180.

It is an arithmetic number, because the mean of its divisors is an integer number (174600).

2⁶⁹⁶⁶³⁷ is an apocalyptic number.

It is an amenable number.

696637 is a deficient number, since it is larger than the sum of its proper divisors (1763).

696637 is a wasteful number, since it uses less digits than its factorization.

696637 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1762.

The product of its digits is 40824, while the sum is 37.

The square root of 696637 is about 834.6478299259. The cubic root of 696637 is about 88.6479803713.

The spelling of 696637 in words is "six hundred ninety-six thousand, six hundred thirty-seven".