984645249 has 48 divisors (see below), whose sum is σ = 1603405440. Its totient is φ = 534885120.

The previous prime is 984645247. The next prime is 984645257. The reversal of 984645249 is 942546489.

984645249 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 984645249 - 2¹ = 984645247 is a prime.

It is not an unprimeable number, because it can be changed into a prime (984645247) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 611157 + ... + 612765.

It is an arithmetic number, because the mean of its divisors is an integer number (33404280).

Almost surely, 2^984645249 is an apocalyptic number.

It is an amenable number.

984645249 is a deficient number, since it is larger than the sum of its proper divisors (618760191).

984645249 is a wasteful number, since it uses less digits than its factorization.

984645249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1830 (or 1823 counting only the distinct ones).

The product of its digits is 2488320, while the sum is 51.

The square root of 984645249 is about 31379.0574906258. The cubic root of 984645249 is about 994.8553273996.

The spelling of 984645249 in words is "nine hundred eighty-four million, six hundred forty-five thousand, two hundred forty-nine".