386885643 has 16 divisors (see below), whose sum is σ = 546924960. Its totient is φ = 242425856.

The previous prime is 386885641. The next prime is 386885647. The reversal of 386885643 is 346588683.

It is a cyclic number.

It is not a de Polignac number, because 386885643 - 2¹ = 386885641 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is not an unprimeable number, because it can be changed into a prime (386885641) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36571 + ... + 45947.

It is an arithmetic number, because the mean of its divisors is an integer number (34182810).

Almost surely, 2^386885643 is an apocalyptic number.

386885643 is a deficient number, since it is larger than the sum of its proper divisors (160039317).

386885643 is a wasteful number, since it uses less digits than its factorization.

386885643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10206.

The product of its digits is 3317760, while the sum is 51.

The square root of 386885643 is about 19669.4088116547. The cubic root of 386885643 is about 728.6643764703.

The spelling of 386885643 in words is "three hundred eighty-six million, eight hundred eighty-five thousand, six hundred forty-three".