388087004 has 24 divisors (see below), whose sum is σ = 709406880. Its totient is φ = 185416704.

The previous prime is 388087003. The next prime is 388087013. The reversal of 388087004 is 400780883.

It is a super-2 number, since 2×388087004² = 301223045347392032, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (388087003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 135572 + ... + 138404.

It is an arithmetic number, because the mean of its divisors is an integer number (29558620).

Almost surely, 2^388087004 is an apocalyptic number.

It is an amenable number.

388087004 is a deficient number, since it is larger than the sum of its proper divisors (321319876).

388087004 is a wasteful number, since it uses less digits than its factorization.

388087004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4349 (or 4347 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 38.

The square root of 388087004 is about 19699.9239592441. The cubic root of 388087004 is about 729.4178156764.

The spelling of 388087004 in words is "three hundred eighty-eight million, eighty-seven thousand, four".