385947182 has 4 divisors (see below), whose sum is σ = 578920776. Its totient is φ = 192973590.

The previous prime is 385947173. The next prime is 385947229. The reversal of 385947182 is 281749583.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×385947182² = 297910454587482248, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 96486794 + ... + 96486797.

It is an arithmetic number, because the mean of its divisors is an integer number (144730194).

Almost surely, 2^385947182 is an apocalyptic number.

385947182 is a deficient number, since it is larger than the sum of its proper divisors (192973594).

385947182 is a wasteful number, since it uses less digits than its factorization.

385947182 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192973593.

The product of its digits is 483840, while the sum is 47.

The square root of 385947182 is about 19645.5384756947. The cubic root of 385947182 is about 728.0747304338.

The spelling of 385947182 in words is "three hundred eighty-five million, nine hundred forty-seven thousand, one hundred eighty-two".