386066790 has 64 divisors (see below), whose sum is σ = 1040195520. Its totient is φ = 101882880.

The previous prime is 386066717. The next prime is 386066809. The reversal of 386066790 is 97660683.

386066790 is a `hidden beast` number, since 38 + 606 + 6 + 7 + 9 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18820 + ... + 33560.

It is an arithmetic number, because the mean of its divisors is an integer number (16253055).

Almost surely, 2^386066790 is an apocalyptic number.

386066790 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 386066790, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (520097760).

386066790 is an abundant number, since it is smaller than the sum of its proper divisors (654128730).

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

386066790 is a wasteful number, since it uses less digits than its factorization.

386066790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14854 (or 14848 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 45.

The square root of 386066790 is about 19648.5823916129. The cubic root of 386066790 is about 728.1499346518.

The spelling of 386066790 in words is "three hundred eighty-six million, sixty-six thousand, seven hundred ninety".