386380744 has 8 divisors (see below), whose sum is σ = 724463910. Its totient is φ = 193190368.

The previous prime is 386380723. The next prime is 386380747. The reversal of 386380744 is 447083683.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 226863844 + 159516900 = 15062^2 + 12630^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 386380744.

It is not an unprimeable number, because it can be changed into a prime (386380747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24148789 + ... + 24148804.

Almost surely, 2^386380744 is an apocalyptic number.

It is an amenable number.

386380744 is a deficient number, since it is larger than the sum of its proper divisors (338083166).

386380744 is a wasteful number, since it uses less digits than its factorization.

386380744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48297599 (or 48297595 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 43.

The square root of 386380744 is about 19656.5699958055. The cubic root of 386380744 is about 728.3472611682.

The spelling of 386380744 in words is "three hundred eighty-six million, three hundred eighty thousand, seven hundred forty-four".