386172400406 has 16 divisors (see below), whose sum is σ = 624043665504. Its totient is φ = 178168641024.

The previous prime is 386172400387. The next prime is 386172400421. The reversal of 386172400406 is 604004271683.

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, 2625986 + ... + 2769141.

It is an arithmetic number, because the mean of its divisors is an integer number (39002729094).

Almost surely, 2^386172400406 is an apocalyptic number.

386172400406 is a deficient number, since it is larger than the sum of its proper divisors (237871265098).

386172400406 is a wasteful number, since it uses less digits than its factorization.

386172400406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5397895.

The product of its (nonzero) digits is 193536, while the sum is 41.

The spelling of 386172400406 in words is "three hundred eighty-six billion, one hundred seventy-two million, four hundred thousand, four hundred six".