388336874 has 4 divisors (see below), whose sum is σ = 582505314. Its totient is φ = 194168436.

The previous prime is 388336873. The next prime is 388336939. The reversal of 388336874 is 478633883.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 296080849 + 92256025 = 17207^2 + 9605^2 .

It is not an unprimeable number, because it can be changed into a prime (388336873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97084217 + ... + 97084220.

Almost surely, 2^388336874 is an apocalyptic number.

388336874 is a deficient number, since it is larger than the sum of its proper divisors (194168440).

388336874 is a wasteful number, since it uses less digits than its factorization.

388336874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194168439.

The product of its digits is 2322432, while the sum is 50.

The square root of 388336874 is about 19706.2648414153. The cubic root of 388336874 is about 729.5743274257.

The spelling of 388336874 in words is "three hundred eighty-eight million, three hundred thirty-six thousand, eight hundred seventy-four".