386263144 has 8 divisors (see below), whose sum is σ = 724243410. Its totient is φ = 193131568.

The previous prime is 386263139. The next prime is 386263169. The reversal of 386263144 is 441362683.

It can be written as a sum of positive squares in only one way, i.e., 301439044 + 84824100 = 17362^2 + 9210^2 .

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

It is an unprimeable number.

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, 24141439 + ... + 24141454.

Almost surely, 2^386263144 is an apocalyptic number.

It is an amenable number.

386263144 is a deficient number, since it is larger than the sum of its proper divisors (337980266).

386263144 is a wasteful number, since it uses less digits than its factorization.

386263144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48282899 (or 48282895 counting only the distinct ones).

The product of its digits is 82944, while the sum is 37.

The square root of 386263144 is about 19653.5784019094. The cubic root of 386263144 is about 728.2733596857.

The spelling of 386263144 in words is "three hundred eighty-six million, two hundred sixty-three thousand, one hundred forty-four".