2491080 has 32 divisors (see below), whose sum is σ = 7473600. Its totient is φ = 664256.

The previous prime is 2491063. The next prime is 2491081. The reversal of 2491080 is 801942.

2491080 is nontrivially palindromic in base 14.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 2491080.

It is not an unprimeable number, because it can be changed into a prime (2491081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10260 + ... + 10499.

It is an arithmetic number, because the mean of its divisors is an integer number (233550).

2^2491080 is an apocalyptic number.

2491080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2491080 is an abundant number, since it is smaller than the sum of its proper divisors (4982520).

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

2491080 is a wasteful number, since it uses less digits than its factorization.

2491080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20773 (or 20769 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 2491080 is about 1578.3155578021. The cubic root of 2491080 is about 135.5592711016.

The spelling of 2491080 in words is "two million, four hundred ninety-one thousand, eighty".