394025632 has 96 divisors (see below), whose sum is σ = 1041634944. Its totient is φ = 141696000.

The previous prime is 394025623. The next prime is 394025669. The reversal of 394025632 is 236520493.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25882 + ... + 38182.

It is an arithmetic number, because the mean of its divisors is an integer number (10850364).

Almost surely, 2^394025632 is an apocalyptic number.

394025632 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 394025632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (520817472).

394025632 is an abundant number, since it is smaller than the sum of its proper divisors (647609312).

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

394025632 is a wasteful number, since it uses less digits than its factorization.

394025632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12342 (or 12334 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 34.

The square root of 394025632 is about 19850.0788915309. The cubic root of 394025632 is about 733.1195902321.

The spelling of 394025632 in words is "three hundred ninety-four million, twenty-five thousand, six hundred thirty-two".