385402182 has 24 divisors (see below), whose sum is σ = 847249368. Its totient is φ = 116788320.

The previous prime is 385402169. The next prime is 385402183. The reversal of 385402182 is 281204583.

It is a super-2 number, since 2×385402182² = 297069683780722248, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385402183) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 264703 + ... + 266154.

It is an arithmetic number, because the mean of its divisors is an integer number (35302057).

Almost surely, 2^385402182 is an apocalyptic number.

385402182 is an abundant number, since it is smaller than the sum of its proper divisors (461847186).

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

385402182 is a wasteful number, since it uses less digits than its factorization.

385402182 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 530884 (or 530873 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 33.

The square root of 385402182 is about 19631.6627416019. The cubic root of 385402182 is about 727.7318617126.

The spelling of 385402182 in words is "three hundred eighty-five million, four hundred two thousand, one hundred eighty-two".