394916125 has 16 divisors (see below), whose sum is σ = 493412400. Its totient is φ = 315576000.

The previous prime is 394916107. The next prime is 394916153. The reversal of 394916125 is 521619493.

It can be written as a sum of positive squares in 8 ways, for example, as 34409956 + 360506169 = 5866^2 + 18987^2 .

It is not a de Polignac number, because 394916125 - 2²⁷ = 260698397 is a prime.

It is a congruent number.

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, 201651 + ... + 203599.

It is an arithmetic number, because the mean of its divisors is an integer number (30838275).

Almost surely, 2^394916125 is an apocalyptic number.

It is an amenable number.

394916125 is a deficient number, since it is larger than the sum of its proper divisors (98496275).

394916125 is a wasteful number, since it uses less digits than its factorization.

394916125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3585 (or 3575 counting only the distinct ones).

The product of its digits is 58320, while the sum is 40.

The square root of 394916125 is about 19872.4966976975. The cubic root of 394916125 is about 733.6714550729.

The spelling of 394916125 in words is "three hundred ninety-four million, nine hundred sixteen thousand, one hundred twenty-five".