386937969 has 32 divisors (see below), whose sum is σ = 601914240. Its totient is φ = 218496000.

The previous prime is 386937959. The next prime is 386937973. The reversal of 386937969 is 969739683.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-386937969 is a prime.

It is a super-2 number, since 2×386937969² = 299441983707689922, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (386937959) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 53247 + ... + 60075.

It is an arithmetic number, because the mean of its divisors is an integer number (18809820).

Almost surely, 2^386937969 is an apocalyptic number.

It is an amenable number.

386937969 is a deficient number, since it is larger than the sum of its proper divisors (214976271).

386937969 is a wasteful number, since it uses less digits than its factorization.

386937969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6961.

The product of its digits is 13226976, while the sum is 60.

The square root of 386937969 is about 19670.7389032542. The cubic root of 386937969 is about 728.6972254306.

The spelling of 386937969 in words is "three hundred eighty-six million, nine hundred thirty-seven thousand, nine hundred sixty-nine".