696440905 has 8 divisors (see below), whose sum is σ = 836066952. Its totient is φ = 556927488.

The previous prime is 696440893. The next prime is 696440929. The reversal of 696440905 is 509044696.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 92313664 + 604127241 = 9608^2 + 24579^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 696440905 - 2⁵ = 696440873 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13894 + ... + 39823.

It is an arithmetic number, because the mean of its divisors is an integer number (104508369).

Almost surely, 2^696440905 is an apocalyptic number.

It is an amenable number.

696440905 is a deficient number, since it is larger than the sum of its proper divisors (139626047).

696440905 is a wasteful number, since it uses less digits than its factorization.

696440905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56315.

The product of its (nonzero) digits is 233280, while the sum is 43.

The square root of 696440905 is about 26390.1668240275. The cubic root of 696440905 is about 886.3966180798.

The spelling of 696440905 in words is "six hundred ninety-six million, four hundred forty thousand, nine hundred five".