388305144 has 64 divisors (see below), whose sum is σ = 1080669600. Its totient is φ = 129189888.

The previous prime is 388305119. The next prime is 388305161. The reversal of 388305144 is 441503883.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 388305099 and 388305108.

It is a congruent number.

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 in 15 ways as a sum of consecutive naturals, for example, 139672 + ... + 142424.

Almost surely, 2^388305144 is an apocalyptic number.

It is an amenable number.

388305144 is an abundant number, since it is smaller than the sum of its proper divisors (692364456).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

388305144 is a wasteful number, since it uses less digits than its factorization.

388305144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3421 (or 3411 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The square root of 388305144 is about 19705.4597510436. The cubic root of 388305144 is about 729.5544563417.

The spelling of 388305144 in words is "three hundred eighty-eight million, three hundred five thousand, one hundred forty-four".