388670050 has 12 divisors (see below), whose sum is σ = 722926386. Its totient is φ = 155468000.

The previous prime is 388670047. The next prime is 388670059. The reversal of 388670050 is 50076883.

It can be written as a sum of positive squares in 3 ways, for example, as 247464361 + 141205689 = 15731^2 + 11883^2 .

It is a junction number, because it is equal to n+sod(n) for n = 388669991 and 388670009.

It is not an unprimeable number, because it can be changed into a prime (388670059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3886651 + ... + 3886750.

Almost surely, 2^388670050 is an apocalyptic number.

388670050 is a deficient number, since it is larger than the sum of its proper divisors (334256336).

388670050 is a wasteful number, since it uses less digits than its factorization.

388670050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7773413 (or 7773408 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 388670050 is about 19714.7165843184. The cubic root of 388670050 is about 729.7829153718.

The spelling of 388670050 in words is "three hundred eighty-eight million, six hundred seventy thousand, fifty".