696171956 has 12 divisors (see below), whose sum is σ = 1220332260. Its totient is φ = 347505600.

The previous prime is 696171899. The next prime is 696171961. The reversal of 696171956 is 659171696.

It can be written as a sum of positive squares in 2 ways, for example, as 630010000 + 66161956 = 25100^2 + 8134^2 .

It is a hoax number, since the sum of its digits (50) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 142391 + ... + 147198.

It is an arithmetic number, because the mean of its divisors is an integer number (101694355).

Almost surely, 2^696171956 is an apocalyptic number.

It is an amenable number.

696171956 is a deficient number, since it is larger than the sum of its proper divisors (524160304).

696171956 is a wasteful number, since it uses less digits than its factorization.

696171956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290194 (or 290192 counting only the distinct ones).

The product of its digits is 612360, while the sum is 50.

The square root of 696171956 is about 26385.0707029562. The cubic root of 696171956 is about 886.2825015881.

The spelling of 696171956 in words is "six hundred ninety-six million, one hundred seventy-one thousand, nine hundred fifty-six".