394431602 has 16 divisors (see below), whose sum is σ = 623182560. Its totient is φ = 186717312.

The previous prime is 394431559. The next prime is 394431649. The reversal of 394431602 is 206134493.

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 7 ways as a sum of consecutive naturals, for example, 96533 + ... + 100535.

It is an arithmetic number, because the mean of its divisors is an integer number (38948910).

Almost surely, 2^394431602 is an apocalyptic number.

394431602 is a deficient number, since it is larger than the sum of its proper divisors (228750958).

394431602 is a wasteful number, since it uses less digits than its factorization.

394431602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6617.

The product of its (nonzero) digits is 15552, while the sum is 32.

The square root of 394431602 is about 19860.3021628574. The cubic root of 394431602 is about 733.3712848587.

The spelling of 394431602 in words is "three hundred ninety-four million, four hundred thirty-one thousand, six hundred two".