386873040 has 40 divisors (see below), whose sum is σ = 1199307168. Its totient is φ = 103166080.

The previous prime is 386873017. The next prime is 386873057. The reversal of 386873040 is 40378683.

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 386873040.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 805746 + ... + 806225.

Almost surely, 2^386873040 is an apocalyptic number.

386873040 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

386873040 is an abundant number, since it is smaller than the sum of its proper divisors (812434128).

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

386873040 is a wasteful number, since it uses less digits than its factorization.

386873040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1611987 (or 1611981 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 39.

The square root of 386873040 is about 19669.0884384610. The cubic root of 386873040 is about 728.6564641780.

The spelling of 386873040 in words is "three hundred eighty-six million, eight hundred seventy-three thousand, forty".