696866994 has 12 divisors (see below), whose sum is σ = 1509878526. Its totient is φ = 232288992.

The previous prime is 696866993. The next prime is 696867007. The reversal of 696866994 is 499668696.

It can be written as a sum of positive squares in only one way, i.e., 431600625 + 265266369 = 20775^2 + 16287^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (696866993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 19357399 + ... + 19357434.

Almost surely, 2^696866994 is an apocalyptic number.

696866994 is an abundant number, since it is smaller than the sum of its proper divisors (813011532).

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

696866994 is a wasteful number, since it uses less digits than its factorization.

696866994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38714841 (or 38714838 counting only the distinct ones).

The product of its digits is 30233088, while the sum is 63.

The square root of 696866994 is about 26398.2384639582. The cubic root of 696866994 is about 886.5773497823.

The spelling of 696866994 in words is "six hundred ninety-six million, eight hundred sixty-six thousand, nine hundred ninety-four".