694977380 has 12 divisors (see below), whose sum is σ = 1459452540. Its totient is φ = 277990944.

The previous prime is 694977379. The next prime is 694977397. The reversal of 694977380 is 83779496.

It can be written as a sum of positive squares in 2 ways, for example, as 184307776 + 510669604 = 13576^2 + 22598^2 .

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 17374415 + ... + 17374454.

It is an arithmetic number, because the mean of its divisors is an integer number (121621045).

Almost surely, 2^694977380 is an apocalyptic number.

It is an amenable number.

694977380 is an abundant number, since it is smaller than the sum of its proper divisors (764475160).

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

694977380 is a wasteful number, since it uses less digits than its factorization.

694977380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34748878 (or 34748876 counting only the distinct ones).

The product of its (nonzero) digits is 2286144, while the sum is 53.

The square root of 694977380 is about 26362.4236366841. The cubic root of 694977380 is about 885.7752811421.

The spelling of 694977380 in words is "six hundred ninety-four million, nine hundred seventy-seven thousand, three hundred eighty".