394430274 has 24 divisors (see below), whose sum is σ = 976684800. Its totient is φ = 112694328.

The previous prime is 394430237. The next prime is 394430279. The reversal of 394430274 is 472034493.

It is not an unprimeable number, because it can be changed into a prime (394430279) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1565074 + ... + 1565325.

It is an arithmetic number, because the mean of its divisors is an integer number (40695200).

Almost surely, 2^394430274 is an apocalyptic number.

394430274 is an abundant number, since it is smaller than the sum of its proper divisors (582254526).

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

394430274 is a wasteful number, since it uses less digits than its factorization.

394430274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3130414 (or 3130411 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 36.

The square root of 394430274 is about 19860.2687292997. The cubic root of 394430274 is about 733.3704618024.

The spelling of 394430274 in words is "three hundred ninety-four million, four hundred thirty thousand, two hundred seventy-four".