390425380 has 24 divisors (see below), whose sum is σ = 838962432. Its totient is φ = 152537952.

The previous prime is 390425363. The next prime is 390425393. The reversal of 390425380 is 83524093.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 226132 + ... + 227851.

It is an arithmetic number, because the mean of its divisors is an integer number (34956768).

Almost surely, 2^390425380 is an apocalyptic number.

It is an amenable number.

390425380 is an abundant number, since it is smaller than the sum of its proper divisors (448537052).

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

390425380 is a wasteful number, since it uses less digits than its factorization.

390425380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 454035 (or 454033 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 390425380 is about 19759.1846997795. The cubic root of 390425380 is about 730.8798922862.

The spelling of 390425380 in words is "three hundred ninety million, four hundred twenty-five thousand, three hundred eighty".