387959140 has 24 divisors (see below), whose sum is σ = 818133120. Its totient is φ = 154532448.

The previous prime is 387959137. The next prime is 387959153. The reversal of 387959140 is 41959783.

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, 35802 + ... + 45361.

It is an arithmetic number, because the mean of its divisors is an integer number (34088880).

Almost surely, 2^387959140 is an apocalyptic number.

It is an amenable number.

387959140 is an abundant number, since it is smaller than the sum of its proper divisors (430173980).

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

387959140 is a wasteful number, since it uses less digits than its factorization.

387959140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81411 (or 81409 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 46.

The square root of 387959140 is about 19696.6784001770. The cubic root of 387959140 is about 729.3376991704.

The spelling of 387959140 in words is "three hundred eighty-seven million, nine hundred fifty-nine thousand, one hundred forty".