387744192 has 112 divisors (see below), whose sum is σ = 1243584000. Its totient is φ = 117492480.

The previous prime is 387744157. The next prime is 387744193. The reversal of 387744192 is 291447783.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (387744193) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 8809 + ... + 29207.

Almost surely, 2^387744192 is an apocalyptic number.

387744192 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 387744192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (621792000).

387744192 is an abundant number, since it is smaller than the sum of its proper divisors (855839808).

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

387744192 is a wasteful number, since it uses less digits than its factorization.

387744192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20431 (or 20415 counting only the distinct ones).

The product of its digits is 338688, while the sum is 45.

The square root of 387744192 is about 19691.2211911806. The cubic root of 387744192 is about 729.2029782465.

The spelling of 387744192 in words is "three hundred eighty-seven million, seven hundred forty-four thousand, one hundred ninety-two".