2489616 has 100 divisors (see below), whose sum is σ = 7697052. Its totient is φ = 774144.

The previous prime is 2489611. The next prime is 2489639. The reversal of 2489616 is 6169842.

2489616 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 810000 + 1679616 = 900^2 + 1296^2 .

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

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

It is not an unprimeable number, because it can be changed into a prime (2489611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 21976 + ... + 22088.

2^2489616 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2489616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3848526).

2489616 is an abundant number, since it is smaller than the sum of its proper divisors (5207436).

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

2489616 is a wasteful number, since it uses less digits than its factorization.

2489616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150 (or 135 counting only the distinct ones).

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

The square root of 2489616 is about 1577.8517040584. The cubic root of 2489616 is about 135.5327099764.

The spelling of 2489616 in words is "two million, four hundred eighty-nine thousand, six hundred sixteen".