388261328 has 40 divisors (see below), whose sum is σ = 925857408. Its totient is φ = 153597312.

The previous prime is 388261297. The next prime is 388261331. The reversal of 388261328 is 823162883.

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 7 ways as a sum of consecutive naturals, for example, 131876 + ... + 134787.

Almost surely, 2^388261328 is an apocalyptic number.

It is an amenable number.

388261328 is an abundant number, since it is smaller than the sum of its proper divisors (537596080).

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

388261328 is a wasteful number, since it uses less digits than its factorization.

388261328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266691 (or 266685 counting only the distinct ones).

The product of its digits is 110592, while the sum is 41.

The square root of 388261328 is about 19704.3479465828. The cubic root of 388261328 is about 729.5270145552.

The spelling of 388261328 in words is "three hundred eighty-eight million, two hundred sixty-one thousand, three hundred twenty-eight".