388816492 has 12 divisors (see below), whose sum is σ = 696253096. Its totient is φ = 189887040.

The previous prime is 388816487. The next prime is 388816507. The reversal of 388816492 is 294618883.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1130109 + ... + 1130452.

Almost surely, 2^388816492 is an apocalyptic number.

It is an amenable number.

388816492 is a deficient number, since it is larger than the sum of its proper divisors (307436604).

388816492 is a wasteful number, since it uses less digits than its factorization.

388816492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2260608 (or 2260606 counting only the distinct ones).

The product of its digits is 663552, while the sum is 49.

The square root of 388816492 is about 19718.4302620670. The cubic root of 388816492 is about 729.8745590426.

The spelling of 388816492 in words is "three hundred eighty-eight million, eight hundred sixteen thousand, four hundred ninety-two".