387425424 has 20 divisors (see below), whose sum is σ = 1000849136. Its totient is φ = 129141792.

The previous prime is 387425411. The next prime is 387425443. The reversal of 387425424 is 424524783.

It is a happy number.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4035634 + ... + 4035729.

Almost surely, 2^387425424 is an apocalyptic number.

It is an amenable number.

387425424 is an abundant number, since it is smaller than the sum of its proper divisors (613423712).

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

387425424 is a wasteful number, since it uses less digits than its factorization.

387425424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8071374 (or 8071368 counting only the distinct ones).

The product of its digits is 215040, while the sum is 39.

The square root of 387425424 is about 19683.1253615883. The cubic root of 387425424 is about 729.0030953446.

The spelling of 387425424 in words is "three hundred eighty-seven million, four hundred twenty-five thousand, four hundred twenty-four".