84089499 has 12 divisors (see below), whose sum is σ = 121408056. Its totient is φ = 51747072.

The previous prime is 84089471. The next prime is 84089507. The reversal of 84089499 is 99498048.

It is not a de Polignac number, because 84089499 - 2¹² = 84085403 is a prime.

It is not an unprimeable number, because it can be changed into a prime (84089099) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 82422 + ... + 83435.

It is an arithmetic number, because the mean of its divisors is an integer number (10117338).

Almost surely, 2^84089499 is an apocalyptic number.

84089499 is a deficient number, since it is larger than the sum of its proper divisors (37318557).

84089499 is a wasteful number, since it uses less digits than its factorization.

84089499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165886 (or 165873 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 51.

The square root of 84089499 is about 9170.0326607924. The cubic root of 84089499 is about 438.1073994882.

The spelling of 84089499 in words is "eighty-four million, eighty-nine thousand, four hundred ninety-nine".