394633725 has 12 divisors (see below), whose sum is σ = 652461216. Its totient is φ = 210471280.

The previous prime is 394633637. The next prime is 394633727. The reversal of 394633725 is 527336493.

It is not a de Polignac number, because 394633725 - 2¹⁰ = 394632701 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (394633727) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 2630817 + ... + 2630966.

It is an arithmetic number, because the mean of its divisors is an integer number (54371768).

Almost surely, 2^394633725 is an apocalyptic number.

It is an amenable number.

394633725 is a deficient number, since it is larger than the sum of its proper divisors (257827491).

394633725 is a wasteful number, since it uses less digits than its factorization.

394633725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5261796 (or 5261791 counting only the distinct ones).

The product of its digits is 408240, while the sum is 42.

The square root of 394633725 is about 19865.3901295696. The cubic root of 394633725 is about 733.4965333519.

The spelling of 394633725 in words is "three hundred ninety-four million, six hundred thirty-three thousand, seven hundred twenty-five".