2499984 has 60 divisors (see below), whose sum is σ = 7266896. Its totient is φ = 832032.

The previous prime is 2499983. The next prime is 2499989. The reversal of 2499984 is 4899942.

It is a nude number because it is divisible by every one of its digits.

Its product of digits (186624) is a multiple of the sum of its prime divisors (648).

It is not an unprimeable number, because it can be changed into a prime (2499983) 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, 3567 + ... + 4209.

2^2499984 is an apocalyptic number.

2499984 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2499984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3633448).

2499984 is an abundant number, since it is smaller than the sum of its proper divisors (4766912).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2499984 is an equidigital number, since it uses as much as digits as its factorization.

2499984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 666 (or 648 counting only the distinct ones).

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

The square root of 2499984 is about 1581.1337704318. The cubic root of 2499984 is about 135.7205912912.

The spelling of 2499984 in words is "two million, four hundred ninety-nine thousand, nine hundred eighty-four".