386692838 has 16 divisors (see below), whose sum is σ = 672240384. Its totient is φ = 163390920.

The previous prime is 386692837. The next prime is 386692849. The reversal of 386692838 is 838296683.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 386692838.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (386692837) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 193520 + ... + 195507.

It is an arithmetic number, because the mean of its divisors is an integer number (42015024).

Almost surely, 2^386692838 is an apocalyptic number.

386692838 is a deficient number, since it is larger than the sum of its proper divisors (285547546).

386692838 is a wasteful number, since it uses less digits than its factorization.

386692838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 389107.

The product of its digits is 2985984, while the sum is 53.

The square root of 386692838 is about 19664.5070622175. The cubic root of 386692838 is about 728.5433127211.

The spelling of 386692838 in words is "three hundred eighty-six million, six hundred ninety-two thousand, eight hundred thirty-eight".