2491458 has 16 divisors (see below), whose sum is σ = 5006496. Its totient is φ = 826560.

The previous prime is 2491457. The next prime is 2491471. The reversal of 2491458 is 8541942.

It is not an unprimeable number, because it can be changed into a prime (2491453) 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, 585 + ... + 2307.

It is an arithmetic number, because the mean of its divisors is an integer number (312906).

2^2491458 is an apocalyptic number.

2491458 is an abundant number, since it is smaller than the sum of its proper divisors (2515038).

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

2491458 is a wasteful number, since it uses less digits than its factorization.

2491458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1969.

The product of its digits is 11520, while the sum is 33.

The square root of 2491458 is about 1578.4353011765. The cubic root of 2491458 is about 135.5661274067.

The spelling of 2491458 in words is "two million, four hundred ninety-one thousand, four hundred fifty-eight".