388049499 has 6 divisors (see below), whose sum is σ = 560515956. Its totient is φ = 258699660.

The previous prime is 388049477. The next prime is 388049503. The reversal of 388049499 is 994940883.

388049499 is a `hidden beast` number, since 38 + 80 + 49 + 499 = 666.

It is not a de Polignac number, because 388049499 - 2⁷ = 388049371 is a prime.

It is not an unprimeable number, because it can be changed into a prime (388049099) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 21558297 + ... + 21558314.

It is an arithmetic number, because the mean of its divisors is an integer number (93419326).

Almost surely, 2^388049499 is an apocalyptic number.

388049499 is a deficient number, since it is larger than the sum of its proper divisors (172466457).

388049499 is a wasteful number, since it uses less digits than its factorization.

388049499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43116617 (or 43116614 counting only the distinct ones).

The product of its (nonzero) digits is 2239488, while the sum is 54.

The square root of 388049499 is about 19698.9720290171. The cubic root of 388049499 is about 729.3943177698.

The spelling of 388049499 in words is "three hundred eighty-eight million, forty-nine thousand, four hundred ninety-nine".