387550872 has 32 divisors (see below), whose sum is σ = 1076530800. Its totient is φ = 129183552.

The previous prime is 387550841. The next prime is 387550879. The reversal of 387550872 is 278055783.

387550872 is a `hidden beast` number, since 3 + 8 + 75 + 508 + 72 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (387550879) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 896893 + ... + 897324.

Almost surely, 2^387550872 is an apocalyptic number.

It is an amenable number.

387550872 is an abundant number, since it is smaller than the sum of its proper divisors (688979928).

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

387550872 is a wasteful number, since it uses less digits than its factorization.

387550872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1794232 (or 1794222 counting only the distinct ones).

The product of its (nonzero) digits is 470400, while the sum is 45.

The square root of 387550872 is about 19686.3117927153. The cubic root of 387550872 is about 729.0817703667.

The spelling of 387550872 in words is "three hundred eighty-seven million, five hundred fifty thousand, eight hundred seventy-two".