388973876 has 6 divisors (see below), whose sum is σ = 680704290. Its totient is φ = 194486936.

The previous prime is 388973873. The next prime is 388973917. The reversal of 388973876 is 678379883.

It can be written as a sum of positive squares in only one way, i.e., 306600100 + 82373776 = 17510^2 + 9076^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (388973873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48621731 + ... + 48621738.

It is an arithmetic number, because the mean of its divisors is an integer number (113450715).

Almost surely, 2^388973876 is an apocalyptic number.

It is an amenable number.

388973876 is a deficient number, since it is larger than the sum of its proper divisors (291730414).

388973876 is a wasteful number, since it uses less digits than its factorization.

388973876 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97243473 (or 97243471 counting only the distinct ones).

The product of its digits is 12192768, while the sum is 59.

The square root of 388973876 is about 19722.4206425073. The cubic root of 388973876 is about 729.9730245865.

The spelling of 388973876 in words is "three hundred eighty-eight million, nine hundred seventy-three thousand, eight hundred seventy-six".