394335902 has 4 divisors (see below), whose sum is σ = 591503856. Its totient is φ = 197167950.

The previous prime is 394335883. The next prime is 394335941. The reversal of 394335902 is 209533493.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98583974 + ... + 98583977.

It is an arithmetic number, because the mean of its divisors is an integer number (147875964).

Almost surely, 2^394335902 is an apocalyptic number.

394335902 is a deficient number, since it is larger than the sum of its proper divisors (197167954).

394335902 is a wasteful number, since it uses less digits than its factorization.

394335902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197167953.

The product of its (nonzero) digits is 87480, while the sum is 38.

The square root of 394335902 is about 19857.8926877954. The cubic root of 394335902 is about 733.3119680185.

The spelling of 394335902 in words is "three hundred ninety-four million, three hundred thirty-five thousand, nine hundred two".