2498791 has 4 divisors (see below), whose sum is σ = 2545992. Its totient is φ = 2451592.

The previous prime is 2498767. The next prime is 2498801. The reversal of 2498791 is 1978942.

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

It is a cyclic number.

It is not a de Polignac number, because 2498791 - 2⁵ = 2498759 is a prime.

It is a Duffinian number.

2498791 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2498701) 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, 23521 + ... + 23626.

It is an arithmetic number, because the mean of its divisors is an integer number (636498).

2^2498791 is an apocalyptic number.

2498791 is a deficient number, since it is larger than the sum of its proper divisors (47201).

2498791 is an equidigital number, since it uses as much as digits as its factorization.

2498791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47200.

The product of its digits is 36288, while the sum is 40.

The square root of 2498791 is about 1580.7564644815. The cubic root of 2498791 is about 135.6989990960.

The spelling of 2498791 in words is "two million, four hundred ninety-eight thousand, seven hundred ninety-one".