84630249 has 24 divisors (see below), whose sum is σ = 135626400. Its totient is φ = 50418240.

The previous prime is 84630239. The next prime is 84630257. The reversal of 84630249 is 94203648.

It is a happy number.

It is not a de Polignac number, because 84630249 - 2⁷ = 84630121 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (84630229) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1404 + ... + 13085.

It is an arithmetic number, because the mean of its divisors is an integer number (5651100).

Almost surely, 2^84630249 is an apocalyptic number.

It is an amenable number.

84630249 is a deficient number, since it is larger than the sum of its proper divisors (50996151).

84630249 is a wasteful number, since it uses less digits than its factorization.

84630249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14565 (or 14562 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 84630249 is about 9199.4700390838. The cubic root of 84630249 is about 439.0444985101.

The spelling of 84630249 in words is "eighty-four million, six hundred thirty thousand, two hundred forty-nine".