386891346 has 32 divisors (see below), whose sum is σ = 800303616. Its totient is φ = 124560000.

The previous prime is 386891311. The next prime is 386891359. The reversal of 386891346 is 643198683.

It is a junction number, because it is equal to n+sod(n) for n = 386891295 and 386891304.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 110056 + ... + 113516.

It is an arithmetic number, because the mean of its divisors is an integer number (25009488).

Almost surely, 2^386891346 is an apocalyptic number.

386891346 is an abundant number, since it is smaller than the sum of its proper divisors (413412270).

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

386891346 is a wasteful number, since it uses less digits than its factorization.

386891346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4098.

The product of its digits is 746496, while the sum is 48.

The square root of 386891346 is about 19669.5537824324. The cubic root of 386891346 is about 728.6679568155.

The spelling of 386891346 in words is "three hundred eighty-six million, eight hundred ninety-one thousand, three hundred forty-six".