2494891 has 8 divisors (see below), whose sum is σ = 2921184. Its totient is φ = 2086080.

The previous prime is 2494889. The next prime is 2494913. The reversal of 2494891 is 1984942.

2494891 = 594² + 595² + ... + 600².

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2494891 - 2¹ = 2494889 is a prime.

It is a super-2 number, since 2×2494891² = 12448962203762, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2494891.

It is not an unprimeable number, because it can be changed into a prime (2494831) 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, 4060 + ... + 4633.

It is an arithmetic number, because the mean of its divisors is an integer number (365148).

2^2494891 is an apocalyptic number.

2494891 is a deficient number, since it is larger than the sum of its proper divisors (426293).

2494891 is an equidigital number, since it uses as much as digits as its factorization.

2494891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8741.

The product of its digits is 20736, while the sum is 37.

The square root of 2494891 is about 1579.5223961692. The cubic root of 2494891 is about 135.6283647151.

The spelling of 2494891 in words is "two million, four hundred ninety-four thousand, eight hundred ninety-one".