393925 has 12 divisors (see below), whose sum is σ = 558496. Its totient is φ = 270000.

The previous prime is 393919. The next prime is 393929. The reversal of 393925 is 529393.

It is not a de Polignac number, because 393925 - 2⁷ = 393797 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 (393929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 951 + ... + 1300.

2³⁹³⁹²⁵ is an apocalyptic number.

393925 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

393925 is a deficient number, since it is larger than the sum of its proper divisors (164571).

393925 is a wasteful number, since it uses less digits than its factorization.

393925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2268 (or 2263 counting only the distinct ones).

The product of its digits is 7290, while the sum is 31.

The square root of 393925 is about 627.6344477481. The cubic root of 393925 is about 73.3057173335.

The spelling of 393925 in words is "three hundred ninety-three thousand, nine hundred twenty-five".