386932434 has 32 divisors (see below), whose sum is σ = 885563520. Its totient is φ = 110408832.

The previous prime is 386932417. The next prime is 386932499. The reversal of 386932434 is 434239683.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 29262 + ... + 40374.

It is an arithmetic number, because the mean of its divisors is an integer number (27673860).

Almost surely, 2^386932434 is an apocalyptic number.

386932434 is an abundant number, since it is smaller than the sum of its proper divisors (498631086).

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

386932434 is a wasteful number, since it uses less digits than its factorization.

386932434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11954.

The product of its digits is 373248, while the sum is 42.

The square root of 386932434 is about 19670.5982115441. The cubic root of 386932434 is about 728.6937508354.

The spelling of 386932434 in words is "three hundred eighty-six million, nine hundred thirty-two thousand, four hundred thirty-four".