388744996 has 12 divisors (see below), whose sum is σ = 680529052. Its totient is φ = 194308128.

The previous prime is 388744981. The next prime is 388745003. The reversal of 388744996 is 699447883.

It can be written as a sum of positive squares in 2 ways, for example, as 253255396 + 135489600 = 15914^2 + 11640^2 .

It is a super-2 number, since 2×388744996² = 302245343830080032, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 388744996.

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, 915 + ... + 27898.

Almost surely, 2^388744996 is an apocalyptic number.

It is an amenable number.

388744996 is a deficient number, since it is larger than the sum of its proper divisors (291784056).

388744996 is a wasteful number, since it uses less digits than its factorization.

388744996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32190 (or 32188 counting only the distinct ones).

The product of its digits is 10450944, while the sum is 58.

The square root of 388744996 is about 19716.6172555030. The cubic root of 388744996 is about 729.8298195906.

The spelling of 388744996 in words is "three hundred eighty-eight million, seven hundred forty-four thousand, nine hundred ninety-six".