84099249 has 64 divisors (see below), whose sum is σ = 141926400. Its totient is φ = 48859200.

The previous prime is 84099229. The next prime is 84099259. The reversal of 84099249 is 94299048.

It is not a de Polignac number, because 84099249 - 2⁹ = 84098737 is a prime.

It is not an unprimeable number, because it can be changed into a prime (84099209) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 641914 + ... + 642044.

It is an arithmetic number, because the mean of its divisors is an integer number (2217600).

Almost surely, 2^84099249 is an apocalyptic number.

It is an amenable number.

84099249 is a deficient number, since it is larger than the sum of its proper divisors (57827151).

84099249 is a wasteful number, since it uses less digits than its factorization.

84099249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243 (or 237 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 45.

The square root of 84099249 is about 9170.5642683534. The cubic root of 84099249 is about 438.1243313767.

It can be divided in two parts, 84099 and 249, that added together give a palindrome (84348).

The spelling of 84099249 in words is "eighty-four million, ninety-nine thousand, two hundred forty-nine".