388011328 has 28 divisors (see below), whose sum is σ = 770836660. Its totient is φ = 193784832.

The previous prime is 388011269. The next prime is 388011359. The reversal of 388011328 is 823110883.

It can be written as a sum of positive squares in 2 ways, for example, as 218803264 + 169208064 = 14792^2 + 13008^2 .

It is a junction number, because it is equal to n+sod(n) for n = 388011293 and 388011302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63178 + ... + 69046.

Almost surely, 2^388011328 is an apocalyptic number.

It is an amenable number.

388011328 is a deficient number, since it is larger than the sum of its proper divisors (382825332).

388011328 is a wasteful number, since it uses less digits than its factorization.

388011328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6914 (or 6904 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 34.

The square root of 388011328 is about 19698.0031475274. The cubic root of 388011328 is about 729.3704010414.

The spelling of 388011328 in words is "three hundred eighty-eight million, eleven thousand, three hundred twenty-eight".