394102434 has 32 divisors (see below), whose sum is σ = 860569920. Its totient is φ = 119326400.

The previous prime is 394102433. The next prime is 394102451. The reversal of 394102434 is 434201493.

It is not an unprimeable number, because it can be changed into a prime (394102433) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 139912 + ... + 142700.

It is an arithmetic number, because the mean of its divisors is an integer number (26892810).

Almost surely, 2^394102434 is an apocalyptic number.

394102434 is an abundant number, since it is smaller than the sum of its proper divisors (466467486).

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

394102434 is a wasteful number, since it uses less digits than its factorization.

394102434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4946.

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 394102434 is about 19852.0133487765. The cubic root of 394102434 is about 733.1672194456.

The spelling of 394102434 in words is "three hundred ninety-four million, one hundred two thousand, four hundred thirty-four".