382439925 has 36 divisors (see below), whose sum is σ = 782851680. Its totient is φ = 174828960.

The previous prime is 382439917. The next prime is 382439951. The reversal of 382439925 is 529934283.

It is a happy number.

It is not a de Polignac number, because 382439925 - 2³ = 382439917 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a congruent number.

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 35 ways as a sum of consecutive naturals, for example, 119835 + ... + 122984.

It is an arithmetic number, because the mean of its divisors is an integer number (21745880).

Almost surely, 2^382439925 is an apocalyptic number.

382439925 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

382439925 is an abundant number, since it is smaller than the sum of its proper divisors (400411755).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

382439925 is a wasteful number, since it uses less digits than its factorization.

382439925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242842 (or 242834 counting only the distinct ones).

The product of its digits is 466560, while the sum is 45.

The square root of 382439925 is about 19556.0713079084. The cubic root of 382439925 is about 725.8625801420.

The spelling of 382439925 in words is "three hundred eighty-two million, four hundred thirty-nine thousand, nine hundred twenty-five".