386134992 has 80 divisors (see below), whose sum is σ = 1111178880. Its totient is φ = 128383488.

The previous prime is 386134979. The next prime is 386135011. The reversal of 386134992 is 299431683.

It is a happy number.

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 15 ways as a sum of consecutive naturals, for example, 216408 + ... + 218184.

It is an arithmetic number, because the mean of its divisors is an integer number (13889736).

Almost surely, 2^386134992 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 386134992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (555589440).

386134992 is an abundant number, since it is smaller than the sum of its proper divisors (725043888).

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

386134992 is a wasteful number, since it uses less digits than its factorization.

386134992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2297 (or 2285 counting only the distinct ones).

The product of its digits is 279936, while the sum is 45.

The square root of 386134992 is about 19650.3178600246. The cubic root of 386134992 is about 728.1928100981.

The spelling of 386134992 in words is "three hundred eighty-six million, one hundred thirty-four thousand, nine hundred ninety-two".