386557144 has 16 divisors (see below), whose sum is σ = 737080200. Its totient is φ = 190002432.

The previous prime is 386557141. The next prime is 386557151. The reversal of 386557144 is 441755683.

It is a self number, because there is not a number n which added to its sum of digits gives 386557144.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (386557141) 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 in 3 ways as a sum of consecutive naturals, for example, 409017 + ... + 409960.

Almost surely, 2^386557144 is an apocalyptic number.

It is an amenable number.

386557144 is a deficient number, since it is larger than the sum of its proper divisors (350523056).

386557144 is a wasteful number, since it uses less digits than its factorization.

386557144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 819042 (or 819038 counting only the distinct ones).

The product of its digits is 403200, while the sum is 43.

The square root of 386557144 is about 19661.0565331571. The cubic root of 386557144 is about 728.4580852810.

It can be divided in two parts, 3865 and 57144, that added together give a square (61009 = 247²).

The spelling of 386557144 in words is "three hundred eighty-six million, five hundred fifty-seven thousand, one hundred forty-four".