394332136 has 32 divisors (see below), whose sum is σ = 854038080. Its totient is φ = 168697600.

The previous prime is 394332089. The next prime is 394332143. The reversal of 394332136 is 631233493.

It is a Harshad number since it is a multiple of its sum of digits (34).

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, 130300 + ... + 133291.

It is an arithmetic number, because the mean of its divisors is an integer number (26688690).

Almost surely, 2^394332136 is an apocalyptic number.

It is an amenable number.

394332136 is an abundant number, since it is smaller than the sum of its proper divisors (459705944).

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

394332136 is a wasteful number, since it uses less digits than its factorization.

394332136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263625 (or 263621 counting only the distinct ones).

The product of its digits is 34992, while the sum is 34.

The square root of 394332136 is about 19857.7978638116. The cubic root of 394332136 is about 733.3096335775.

The spelling of 394332136 in words is "three hundred ninety-four million, three hundred thirty-two thousand, one hundred thirty-six".