385732988 has 24 divisors (see below), whose sum is σ = 681450000. Its totient is φ = 191040768.

The previous prime is 385732981. The next prime is 385733017. The reversal of 385732988 is 889237583.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385732981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 296756 + ... + 298052.

It is an arithmetic number, because the mean of its divisors is an integer number (28393750).

Almost surely, 2^385732988 is an apocalyptic number.

It is an amenable number.

385732988 is a deficient number, since it is larger than the sum of its proper divisors (295717012).

385732988 is a wasteful number, since it uses less digits than its factorization.

385732988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1949 (or 1947 counting only the distinct ones).

The product of its digits is 2903040, while the sum is 53.

The square root of 385732988 is about 19640.0862523564. The cubic root of 385732988 is about 727.9400158885.

The spelling of 385732988 in words is "three hundred eighty-five million, seven hundred thirty-two thousand, nine hundred eighty-eight".