386115944 has 8 divisors (see below), whose sum is σ = 723967410. Its totient is φ = 193057968.

The previous prime is 386115931. The next prime is 386115949. The reversal of 386115944 is 449511683.

It can be written as a sum of positive squares in only one way, i.e., 228312100 + 157803844 = 15110^2 + 12562^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×386115944² = 298171044422022272, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (386115949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24132239 + ... + 24132254.

Almost surely, 2^386115944 is an apocalyptic number.

It is an amenable number.

386115944 is a deficient number, since it is larger than the sum of its proper divisors (337851466).

386115944 is a wasteful number, since it uses less digits than its factorization.

386115944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48264499 (or 48264495 counting only the distinct ones).

The product of its digits is 103680, while the sum is 41.

The square root of 386115944 is about 19649.8331799535. The cubic root of 386115944 is about 728.1808360087.

The spelling of 386115944 in words is "three hundred eighty-six million, one hundred fifteen thousand, nine hundred forty-four".