385508474 has 32 divisors (see below), whose sum is σ = 658796544. Its totient is φ = 167840640.

The previous prime is 385508443. The next prime is 385508477. The reversal of 385508474 is 474805583.

It is not an unprimeable number, because it can be changed into a prime (385508477) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 39239 + ... + 48069.

It is an arithmetic number, because the mean of its divisors is an integer number (20587392).

Almost surely, 2^385508474 is an apocalyptic number.

385508474 is a deficient number, since it is larger than the sum of its proper divisors (273288070).

385508474 is a wasteful number, since it uses less digits than its factorization.

385508474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8942.

The product of its (nonzero) digits is 537600, while the sum is 44.

The square root of 385508474 is about 19634.3697123182. The cubic root of 385508474 is about 727.7987571694.

The spelling of 385508474 in words is "three hundred eighty-five million, five hundred eight thousand, four hundred seventy-four".