388492084 has 18 divisors (see below), whose sum is σ = 683173190. Its totient is φ = 193304256.

The previous prime is 388492061. The next prime is 388492121. The reversal of 388492084 is 480294883.

It can be written as a sum of positive squares in 3 ways, for example, as 45427600 + 343064484 = 6740^2 + 18522^2 .

It is a congruent number.

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 5 ways as a sum of consecutive naturals, for example, 216262 + ... + 218050.

Almost surely, 2^388492084 is an apocalyptic number.

It is an amenable number.

388492084 is a deficient number, since it is larger than the sum of its proper divisors (294681106).

388492084 is a wasteful number, since it uses less digits than its factorization.

388492084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2259 (or 2024 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 46.

The square root of 388492084 is about 19710.2025357428. The cubic root of 388492084 is about 729.6715129331.

The spelling of 388492084 in words is "three hundred eighty-eight million, four hundred ninety-two thousand, eighty-four".