385550312 has 32 divisors (see below), whose sum is σ = 828601920. Its totient is φ = 164751360.

The previous prime is 385550267. The next prime is 385550339. The reversal of 385550312 is 213055583.

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 7 ways as a sum of consecutive naturals, for example, 9512 + ... + 29352.

It is an arithmetic number, because the mean of its divisors is an integer number (25893810).

Almost surely, 2^385550312 is an apocalyptic number.

It is an amenable number.

385550312 is an abundant number, since it is smaller than the sum of its proper divisors (443051608).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

385550312 is a wasteful number, since it uses less digits than its factorization.

385550312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20201 (or 20197 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 32.

The square root of 385550312 is about 19635.4351110435. The cubic root of 385550312 is about 727.8250847731.

The spelling of 385550312 in words is "three hundred eighty-five million, five hundred fifty thousand, three hundred twelve".