394126625 has 16 divisors (see below), whose sum is σ = 492435840. Its totient is φ = 314938800.

The previous prime is 394126613. The next prime is 394126637. The reversal of 394126625 is 526621493.

It is an interprime number because it is at equal distance from previous prime (394126613) and next prime (394126637).

It is not a de Polignac number, because 394126625 - 2²⁸ = 125691169 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 179786 + ... + 181964.

It is an arithmetic number, because the mean of its divisors is an integer number (30777240).

Almost surely, 2^394126625 is an apocalyptic number.

It is an amenable number.

394126625 is a deficient number, since it is larger than the sum of its proper divisors (98309215).

394126625 is a wasteful number, since it uses less digits than its factorization.

394126625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3641 (or 3631 counting only the distinct ones).

The product of its digits is 77760, while the sum is 38.

The square root of 394126625 is about 19852.6226227166. The cubic root of 394126625 is about 733.1822203555.

The spelling of 394126625 in words is "three hundred ninety-four million, one hundred twenty-six thousand, six hundred twenty-five".