385553656 has 16 divisors (see below), whose sum is σ = 723618000. Its totient is φ = 192588864.

The previous prime is 385553647. The next prime is 385553671. The reversal of 385553656 is 656355583.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14580 + ... + 31363.

It is an arithmetic number, because the mean of its divisors is an integer number (45226125).

Almost surely, 2^385553656 is an apocalyptic number.

It is an amenable number.

385553656 is a deficient number, since it is larger than the sum of its proper divisors (338064344).

385553656 is a wasteful number, since it uses less digits than its factorization.

385553656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46998 (or 46994 counting only the distinct ones).

The product of its digits is 1620000, while the sum is 46.

The square root of 385553656 is about 19635.5202630335. The cubic root of 385553656 is about 727.8271889862.

The spelling of 385553656 in words is "three hundred eighty-five million, five hundred fifty-three thousand, six hundred fifty-six".