386873490 has 32 divisors (see below), whose sum is σ = 958450176. Its totient is φ = 99838080.

The previous prime is 386873489. The next prime is 386873519. The reversal of 386873490 is 94378683.

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, 207067 + ... + 208926.

It is an arithmetic number, because the mean of its divisors is an integer number (29951568).

Almost surely, 2^386873490 is an apocalyptic number.

386873490 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

386873490 is an abundant number, since it is smaller than the sum of its proper divisors (571576686).

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

386873490 is a wasteful number, since it uses less digits than its factorization.

386873490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 416034.

The product of its (nonzero) digits is 870912, while the sum is 48.

The square root of 386873490 is about 19669.0998777270. The cubic root of 386873490 is about 728.6567466956.

The spelling of 386873490 in words is "three hundred eighty-six million, eight hundred seventy-three thousand, four hundred ninety".