385217372 has 24 divisors (see below), whose sum is σ = 690547200. Its totient is φ = 187965936.

The previous prime is 385217369. The next prime is 385217383. The reversal of 385217372 is 273712583.

It is a congruent number.

It is an unprimeable number.

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, 26933 + ... + 38675.

It is an arithmetic number, because the mean of its divisors is an integer number (28772800).

Almost surely, 2^385217372 is an apocalyptic number.

It is an amenable number.

385217372 is a deficient number, since it is larger than the sum of its proper divisors (305329828).

385217372 is a wasteful number, since it uses less digits than its factorization.

385217372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11945 (or 11943 counting only the distinct ones).

The product of its digits is 70560, while the sum is 38.

The square root of 385217372 is about 19626.9552401793. The cubic root of 385217372 is about 727.6155212292.

The spelling of 385217372 in words is "three hundred eighty-five million, two hundred seventeen thousand, three hundred seventy-two".