84691315 has 16 divisors (see below), whose sum is σ = 103480416. Its totient is φ = 66528000.

The previous prime is 84691301. The next prime is 84691319. The reversal of 84691315 is 51319648.

It is not a de Polignac number, because 84691315 - 2⁹ = 84690803 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84691319) 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, 120465 + ... + 121165.

It is an arithmetic number, because the mean of its divisors is an integer number (6467526).

Almost surely, 2^84691315 is an apocalyptic number.

84691315 is a deficient number, since it is larger than the sum of its proper divisors (18789101).

84691315 is a wasteful number, since it uses less digits than its factorization.

84691315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1110.

The product of its digits is 25920, while the sum is 37.

The square root of 84691315 is about 9202.7884361209. The cubic root of 84691315 is about 439.1500724458.

The spelling of 84691315 in words is "eighty-four million, six hundred ninety-one thousand, three hundred fifteen".