387022392 has 48 divisors (see below), whose sum is σ = 1049100000. Its totient is φ = 128894976.

The previous prime is 387022387. The next prime is 387022399. The reversal of 387022392 is 293220783.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (387022399) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 142584 + ... + 145272.

It is an arithmetic number, because the mean of its divisors is an integer number (21856250).

Almost surely, 2^387022392 is an apocalyptic number.

It is an amenable number.

387022392 is an abundant number, since it is smaller than the sum of its proper divisors (662077608).

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

387022392 is a wasteful number, since it uses less digits than its factorization.

387022392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4700 (or 4693 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 387022392 is about 19672.8846893383. The cubic root of 387022392 is about 728.7502178456.

It can be divided in two parts, 3870 and 22392, that added together give a palindrome (26262).

The spelling of 387022392 in words is "three hundred eighty-seven million, twenty-two thousand, three hundred ninety-two".