386118432 has 108 divisors (see below), whose sum is σ = 1277340246. Its totient is φ = 110315520.

The previous prime is 386118427. The next prime is 386118449. The reversal of 386118432 is 234811683.

386118432 is a `hidden beast` number, since 3 + 8 + 611 + 8 + 4 + 32 = 666.

It can be written as a sum of positive squares in only one way, i.e., 314140176 + 71978256 = 17724^2 + 8484^2 .

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

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 432 + ... + 27792.

Almost surely, 2^386118432 is an apocalyptic number.

386118432 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 386118432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (638670123).

386118432 is an abundant number, since it is smaller than the sum of its proper divisors (891221814).

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

386118432 is a wasteful number, since it uses less digits than its factorization.

386118432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27391 (or 27373 counting only the distinct ones).

The product of its digits is 27648, while the sum is 36.

The square root of 386118432 is about 19649.8964882770. The cubic root of 386118432 is about 728.1824000553.

The spelling of 386118432 in words is "three hundred eighty-six million, one hundred eighteen thousand, four hundred thirty-two".