385709882 has 8 divisors (see below), whose sum is σ = 578944416. Its totient is φ = 192728412.

The previous prime is 385709879. The next prime is 385709887. The reversal of 385709882 is 288907583.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×385709882² = 297544226144907848, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 385709882.

It is not an unprimeable number, because it can be changed into a prime (385709887) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59408 + ... + 65579.

It is an arithmetic number, because the mean of its divisors is an integer number (72368052).

Almost surely, 2^385709882 is an apocalyptic number.

385709882 is a deficient number, since it is larger than the sum of its proper divisors (193234534).

385709882 is a wasteful number, since it uses less digits than its factorization.

385709882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126532.

The product of its (nonzero) digits is 967680, while the sum is 50.

The square root of 385709882 is about 19639.4980078412. The cubic root of 385709882 is about 727.9254806890.

The spelling of 385709882 in words is "three hundred eighty-five million, seven hundred nine thousand, eight hundred eighty-two".