387081252 has 72 divisors (see below), whose sum is σ = 1017149952. Its totient is φ = 123984000.

The previous prime is 387081229. The next prime is 387081263. The reversal of 387081252 is 252180783.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 167368 + ... + 169664.

Almost surely, 2^387081252 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 387081252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (508574976).

387081252 is an abundant number, since it is smaller than the sum of its proper divisors (630068700).

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

387081252 is a wasteful number, since it uses less digits than its factorization.

387081252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2489 (or 2484 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

The square root of 387081252 is about 19674.3806001612. The cubic root of 387081252 is about 728.7871597766.

The spelling of 387081252 in words is "three hundred eighty-seven million, eighty-one thousand, two hundred fifty-two".