394608625 has 16 divisors (see below), whose sum is σ = 518394240. Its totient is φ = 299070000.

The previous prime is 394608623. The next prime is 394608649. The reversal of 394608625 is 526806493.

It is not a de Polignac number, because 394608625 - 2¹ = 394608623 is a prime.

It is not an unprimeable number, because it can be changed into a prime (394608623) 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, 80701 + ... + 85450.

It is an arithmetic number, because the mean of its divisors is an integer number (32399640).

Almost surely, 2^394608625 is an apocalyptic number.

It is an amenable number.

394608625 is a deficient number, since it is larger than the sum of its proper divisors (123785615).

394608625 is a wasteful number, since it uses less digits than its factorization.

394608625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166185 (or 166175 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 43.

The square root of 394608625 is about 19864.7583675211. The cubic root of 394608625 is about 733.4809820933.

The spelling of 394608625 in words is "three hundred ninety-four million, six hundred eight thousand, six hundred twenty-five".