386377992 has 256 divisors, whose sum is σ = 1441843200. Its totient is φ = 92586240.

The previous prime is 386377987. The next prime is 386378033. The reversal of 386377992 is 299773683.

It is a Harshad number since it is a multiple of its sum of digits (54).

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

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 215323 + ... + 217109.

It is an arithmetic number, because the mean of its divisors is an integer number (5632200).

Almost surely, 2^386377992 is an apocalyptic number.

It is a pronic number, being equal to 19656×19657.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 386377992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (720921600).

386377992 is an abundant number, since it is smaller than the sum of its proper divisors (1055465208).

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

386377992 is a wasteful number, since it uses less digits than its factorization.

386377992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1833 (or 1823 counting only the distinct ones).

The product of its digits is 3429216, while the sum is 54.

The square root of 386377992 is about 19656.4999936408. The cubic root of 386377992 is about 728.3455319443.

The spelling of 386377992 in words is "three hundred eighty-six million, three hundred seventy-seven thousand, nine hundred ninety-two".