84389499 has 8 divisors (see below), whose sum is σ = 125021520. Its totient is φ = 56259648.

The previous prime is 84389467. The next prime is 84389527. The reversal of 84389499 is 99498348.

It is not a de Polignac number, because 84389499 - 2⁵ = 84389467 is a prime.

It is not an unprimeable number, because it can be changed into a prime (84389419) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1562742 + ... + 1562795.

It is an arithmetic number, because the mean of its divisors is an integer number (15627690).

Almost surely, 2^84389499 is an apocalyptic number.

84389499 is a deficient number, since it is larger than the sum of its proper divisors (40632021).

84389499 is a wasteful number, since it uses less digits than its factorization.

84389499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3125546 (or 3125540 counting only the distinct ones).

The product of its digits is 2239488, while the sum is 54.

The square root of 84389499 is about 9186.3757271298. The cubic root of 84389499 is about 438.6277824534.

The spelling of 84389499 in words is "eighty-four million, three hundred eighty-nine thousand, four hundred ninety-nine".