385355418 has 32 divisors (see below), whose sum is σ = 881435520. Its totient is φ = 110023680.

The previous prime is 385355413. The next prime is 385355423. The reversal of 385355418 is 814553583.

It is an interprime number because it is at equal distance from previous prime (385355413) and next prime (385355423).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a self number, because there is not a number n which added to its sum of digits gives 385355418.

It is not an unprimeable number, because it can be changed into a prime (385355413) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85198 + ... + 89606.

It is an arithmetic number, because the mean of its divisors is an integer number (27544860).

Almost surely, 2^385355418 is an apocalyptic number.

385355418 is an abundant number, since it is smaller than the sum of its proper divisors (496080102).

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

385355418 is a wasteful number, since it uses less digits than its factorization.

385355418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6502.

The product of its digits is 288000, while the sum is 42.

The square root of 385355418 is about 19630.4716703395. The cubic root of 385355418 is about 727.7024266351.

The spelling of 385355418 in words is "three hundred eighty-five million, three hundred fifty-five thousand, four hundred eighteen".