388536874 has 16 divisors (see below), whose sum is σ = 649316736. Its totient is φ = 172849600.

The previous prime is 388536859. The next prime is 388536893. The reversal of 388536874 is 478635883.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 186847 + ... + 188914.

It is an arithmetic number, because the mean of its divisors is an integer number (40582296).

Almost surely, 2^388536874 is an apocalyptic number.

388536874 is a deficient number, since it is larger than the sum of its proper divisors (260779862).

388536874 is a wasteful number, since it uses less digits than its factorization.

388536874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 375821.

The product of its digits is 3870720, while the sum is 52.

The square root of 388536874 is about 19711.3387165865. The cubic root of 388536874 is about 729.6995535999.

Subtracting 388536874 from its reverse (478635883), we obtain a palindrome (90099009).

The spelling of 388536874 in words is "three hundred eighty-eight million, five hundred thirty-six thousand, eight hundred seventy-four".