386608939 has 4 divisors (see below), whose sum is σ = 390155920. Its totient is φ = 383061960.

The previous prime is 386608933. The next prime is 386608991. The reversal of 386608939 is 939806683.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 386608939 - 2⁵ = 386608907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (386608933) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1773327 + ... + 1773544.

It is an arithmetic number, because the mean of its divisors is an integer number (97538980).

Almost surely, 2^386608939 is an apocalyptic number.

386608939 is a deficient number, since it is larger than the sum of its proper divisors (3546981).

386608939 is a wasteful number, since it uses less digits than its factorization.

386608939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3546980.

The product of its (nonzero) digits is 1679616, while the sum is 52.

The square root of 386608939 is about 19662.3736868161. The cubic root of 386608939 is about 728.4906193251.

The spelling of 386608939 in words is "three hundred eighty-six million, six hundred eight thousand, nine hundred thirty-nine".