387866952 has 108 divisors (see below), whose sum is σ = 1160150355. Its totient is φ = 116978400.

The previous prime is 387866939. The next prime is 387866957. The reversal of 387866952 is 259668783.

It is a happy number.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 193933476 + 193933476 = 13926^2 + 13926^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=13926.

It is not an unprimeable number, because it can be changed into a prime (387866957) by changing a digit.

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 26 ways as a sum of consecutive naturals, for example, 1838127 + ... + 1838337.

Almost surely, 2^387866952 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 387866952

387866952 is an abundant number, since it is smaller than the sum of its proper divisors (772283403).

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

387866952 is a wasteful number, since it uses less digits than its factorization.

387866952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 456 (or 227 counting only the distinct ones).

The product of its digits is 4354560, while the sum is 54.

The square root of 387866952 is about 19694.3380696077. The cubic root of 387866952 is about 729.2799254659.

The spelling of 387866952 in words is "three hundred eighty-seven million, eight hundred sixty-six thousand, nine hundred fifty-two".