388381004 has 18 divisors (see below), whose sum is σ = 741704292. Its totient is φ = 176477400.

The previous prime is 388381001. The next prime is 388381009. The reversal of 388381004 is 400183883.

It is not an unprimeable number, because it can be changed into a prime (388381001) 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, 129239 + ... + 132209.

It is an arithmetic number, because the mean of its divisors is an integer number (41205794).

Almost surely, 2^388381004 is an apocalyptic number.

It is an amenable number.

388381004 is a deficient number, since it is larger than the sum of its proper divisors (353323288).

388381004 is an equidigital number, since it uses as much as digits as its factorization.

388381004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5957 (or 2984 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 35.

The square root of 388381004 is about 19707.3845042918. The cubic root of 388381004 is about 729.6019622772.

The spelling of 388381004 in words is "three hundred eighty-eight million, three hundred eighty-one thousand, four".