386690361838 has 16 divisors (see below), whose sum is σ = 633546305280. Its totient is φ = 175551607800.

The previous prime is 386690361823. The next prime is 386690361847. The reversal of 386690361838 is 838163096683.

It is a happy number.

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, 10818678 + ... + 10854361.

It is an arithmetic number, because the mean of its divisors is an integer number (39596644080).

Almost surely, 2^386690361838 is an apocalyptic number.

386690361838 is a deficient number, since it is larger than the sum of its proper divisors (246855943442).

386690361838 is a wasteful number, since it uses less digits than its factorization.

386690361838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21673863.

The product of its (nonzero) digits is 26873856, while the sum is 61.

The spelling of 386690361838 in words is "three hundred eighty-six billion, six hundred ninety million, three hundred sixty-one thousand, eight hundred thirty-eight".