387970425 has 48 divisors (see below), whose sum is σ = 735746560. Its totient is φ = 200232000.

The previous prime is 387970403. The next prime is 387970433. The reversal of 387970425 is 524079783.

It is not a de Polignac number, because 387970425 - 2⁸ = 387970169 is a prime.

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

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11655 + ... + 30195.

Almost surely, 2^387970425 is an apocalyptic number.

It is an amenable number.

387970425 is a deficient number, since it is larger than the sum of its proper divisors (347776135).

387970425 is a wasteful number, since it uses less digits than its factorization.

387970425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18591 (or 18580 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 45.

The square root of 387970425 is about 19696.9648677150. The cubic root of 387970425 is about 729.3447707880.

The spelling of 387970425 in words is "three hundred eighty-seven million, nine hundred seventy thousand, four hundred twenty-five".