385446250 has 160 divisors (see below), whose sum is σ = 899712000. Its totient is φ = 123480000.

The previous prime is 385446239. The next prime is 385446301. The reversal of 385446250 is 52644583.

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 79 ways as a sum of consecutive naturals, for example, 12433735 + ... + 12433765.

It is an arithmetic number, because the mean of its divisors is an integer number (5623200).

Almost surely, 2^385446250 is an apocalyptic number.

385446250 is an abundant number, since it is smaller than the sum of its proper divisors (514265750).

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

385446250 is an equidigital number, since it uses as much as digits as its factorization.

385446250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103 (or 74 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 37.

The square root of 385446250 is about 19632.7850800644. The cubic root of 385446250 is about 727.7595976440.

The spelling of 385446250 in words is "three hundred eighty-five million, four hundred forty-six thousand, two hundred fifty".