694978832 has 20 divisors (see below), whose sum is σ = 1389958656. Its totient is φ = 336279840.

The previous prime is 694978811. The next prime is 694978847. The reversal of 694978832 is 238879496.

It is a happy number.

694978832 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 700088 + ... + 701079.

Almost surely, 2^694978832 is an apocalyptic number.

694978832 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

It is an amenable number.

694978832 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

694978832 is a wasteful number, since it uses less digits than its factorization.

694978832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1401206 (or 1401200 counting only the distinct ones).

The product of its digits is 5225472, while the sum is 56.

The square root of 694978832 is about 26362.4511758675. The cubic root of 694978832 is about 885.7758980182.

The spelling of 694978832 in words is "six hundred ninety-four million, nine hundred seventy-eight thousand, eight hundred thirty-two".