856242316 has 18 divisors (see below), whose sum is σ = 1534094772. Its totient is φ = 418161240.

The previous prime is 856242301. The next prime is 856242403. The reversal of 856242316 is 613242658.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 50490 + ... + 65281.

Almost surely, 2^856242316 is an apocalyptic number.

856242316 is a gapful number since it is divisible by the number (86) formed by its first and last digit.

It is an amenable number.

856242316 is a deficient number, since it is larger than the sum of its proper divisors (677852456).

856242316 is a wasteful number, since it uses less digits than its factorization.

856242316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115861 (or 115816 counting only the distinct ones).

The product of its digits is 69120, while the sum is 37.

The square root of 856242316 is about 29261.6184788197. The cubic root of 856242316 is about 949.5814651282.

The spelling of 856242316 in words is "eight hundred fifty-six million, two hundred forty-two thousand, three hundred sixteen".