84089331 has 12 divisors (see below), whose sum is σ = 121651608. Its totient is φ = 55972224.

The previous prime is 84089321. The next prime is 84089351. The reversal of 84089331 is 13398048.

It is not a de Polignac number, because 84089331 - 2²⁵ = 50534899 is a prime.

It is a super-2 number, since 2×84089331² = 14142031176055122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (84089321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 885 + ... + 12998.

It is an arithmetic number, because the mean of its divisors is an integer number (10137634).

Almost surely, 2^84089331 is an apocalyptic number.

84089331 is a deficient number, since it is larger than the sum of its proper divisors (37562277).

84089331 is a wasteful number, since it uses less digits than its factorization.

84089331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14562 (or 14559 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 84089331 is about 9170.0235005151. The cubic root of 84089331 is about 438.1071077272.

The spelling of 84089331 in words is "eighty-four million, eighty-nine thousand, three hundred thirty-one".