388000388 has 24 divisors (see below), whose sum is σ = 692862744. Its totient is φ = 190080000.

The previous prime is 388000357. The next prime is 388000391. The reversal of 388000388 is 883000883.

It can be written as a sum of positive squares in 4 ways, for example, as 257538304 + 130462084 = 16048^2 + 11422^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34238 + ... + 44138.

It is an arithmetic number, because the mean of its divisors is an integer number (28869281).

Almost surely, 2^388000388 is an apocalyptic number.

It is an amenable number.

388000388 is a deficient number, since it is larger than the sum of its proper divisors (304862356).

388000388 is a wasteful number, since it uses less digits than its factorization.

388000388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10103 (or 10101 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 38.

The square root of 388000388 is about 19697.7254524475. The cubic root of 388000388 is about 729.3635460979.

The spelling of 388000388 in words is "three hundred eighty-eight million, three hundred eighty-eight", and thus it is an aban number.