2409984 has 60 divisors (see below), whose sum is σ = 6968676. Its totient is φ = 801792.

The previous prime is 2409983. The next prime is 2409997. The reversal of 2409984 is 4899042.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2409983) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4347 + ... + 4869.

2^2409984 is an apocalyptic number.

2409984 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 2409984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3484338).

2409984 is an abundant number, since it is smaller than the sum of its proper divisors (4558692).

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

2409984 is an equidigital number, since it uses as much as digits as its factorization.

2409984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 547 (or 528 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 2409984 is about 1552.4123163644. The cubic root of 2409984 is about 134.0719892382.

The spelling of 2409984 in words is "two million, four hundred nine thousand, nine hundred eighty-four".