694908394 has 12 divisors (see below), whose sum is σ = 1100112354. Its totient is φ = 329166792.

The previous prime is 694908373. The next prime is 694908419. The reversal of 694908394 is 493809496.

It can be written as a sum of positive squares in only one way, i.e., 635695369 + 59213025 = 25213^2 + 7695^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 480517 + ... + 481960.

Almost surely, 2^694908394 is an apocalyptic number.

694908394 is a deficient number, since it is larger than the sum of its proper divisors (405203960).

694908394 is a wasteful number, since it uses less digits than its factorization.

694908394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 962517 (or 962498 counting only the distinct ones).

The product of its (nonzero) digits is 1679616, while the sum is 52.

The square root of 694908394 is about 26361.1151888534. The cubic root of 694908394 is about 885.7459717394.

The spelling of 694908394 in words is "six hundred ninety-four million, nine hundred eight thousand, three hundred ninety-four".