394938525 has 12 divisors (see below), whose sum is σ = 652965152. Its totient is φ = 210633840.

The previous prime is 394938499. The next prime is 394938529. The reversal of 394938525 is 525839493.

It is not a de Polignac number, because 394938525 - 2¹⁴ = 394922141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (394938529) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2632849 + ... + 2632998.

Almost surely, 2^394938525 is an apocalyptic number.

It is an amenable number.

394938525 is a deficient number, since it is larger than the sum of its proper divisors (258026627).

394938525 is a wasteful number, since it uses less digits than its factorization.

394938525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5265860 (or 5265855 counting only the distinct ones).

The product of its digits is 1166400, while the sum is 48.

The square root of 394938525 is about 19873.0602827043. The cubic root of 394938525 is about 733.6853263136.

The spelling of 394938525 in words is "three hundred ninety-four million, nine hundred thirty-eight thousand, five hundred twenty-five".