2498391 has 16 divisors (see below), whose sum is σ = 4230400. Its totient is φ = 1427544.

The previous prime is 2498381. The next prime is 2498393. The reversal of 2498391 is 1938942.

It is not a de Polignac number, because 2498391 - 2⁵ = 2498359 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2498393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6421 + ... + 6798.

It is an arithmetic number, because the mean of its divisors is an integer number (264400).

2^2498391 is an apocalyptic number.

2498391 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2498391 is a deficient number, since it is larger than the sum of its proper divisors (1732009).

2498391 is a wasteful number, since it uses less digits than its factorization.

2498391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13235 (or 13229 counting only the distinct ones).

The product of its digits is 15552, while the sum is 36.

The square root of 2498391 is about 1580.6299377147. The cubic root of 2498391 is about 135.6917579281.

The spelling of 2498391 in words is "two million, four hundred ninety-eight thousand, three hundred ninety-one".