2490880 has 80 divisors (see below), whose sum is σ = 6874560. Its totient is φ = 847872.

The previous prime is 2490869. The next prime is 2490889. The reversal of 2490880 is 880942.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2490889) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17851 + ... + 17989.

It is an arithmetic number, because the mean of its divisors is an integer number (85932).

2^2490880 is an apocalyptic number.

2490880 is a gapful number since it is divisible by the number (20) 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 2490880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3437280).

2490880 is an abundant number, since it is smaller than the sum of its proper divisors (4383680).

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

2490880 is an equidigital number, since it uses as much as digits as its factorization.

2490880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169 (or 153 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 31.

The square root of 2490880 is about 1578.2521978442. The cubic root of 2490880 is about 135.5556431464. Note that the first 3 decimals are identical.

The spelling of 2490880 in words is "two million, four hundred ninety thousand, eight hundred eighty".