2490841 has 4 divisors (see below), whose sum is σ = 2537892. Its totient is φ = 2443792.

The previous prime is 2490821. The next prime is 2490847. The reversal of 2490841 is 1480942.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1490841 + 1000000 = 1221^2 + 1000^2 .

It is a cyclic number.

It is not a de Polignac number, because 2490841 - 2⁵ = 2490809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2490847) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23446 + ... + 23551.

It is an arithmetic number, because the mean of its divisors is an integer number (634473).

2^2490841 is an apocalyptic number.

It is an amenable number.

2490841 is a deficient number, since it is larger than the sum of its proper divisors (47051).

2490841 is an equidigital number, since it uses as much as digits as its factorization.

2490841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47050.

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 2490841 is about 1578.2398423560. The cubic root of 2490841 is about 135.5549356726.

The spelling of 2490841 in words is "two million, four hundred ninety thousand, eight hundred forty-one".