386692865421 has 8 divisors (see below), whose sum is σ = 517148163744. Its totient is φ = 257016405360.

The previous prime is 386692865411. The next prime is 386692865437. The reversal of 386692865421 is 124568296683.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 386692865421 - 2⁶ = 386692865357 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (386692865411) 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, 194708406 + ... + 194710391.

It is an arithmetic number, because the mean of its divisors is an integer number (64643520468).

Almost surely, 2^386692865421 is an apocalyptic number.

It is an amenable number.

386692865421 is a deficient number, since it is larger than the sum of its proper divisors (130455298323).

386692865421 is a wasteful number, since it uses less digits than its factorization.

386692865421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 389419131.

The product of its digits is 29859840, while the sum is 60.

The spelling of 386692865421 in words is "three hundred eighty-six billion, six hundred ninety-two million, eight hundred sixty-five thousand, four hundred twenty-one".