2494917 has 6 divisors (see below), whose sum is σ = 3603782. Its totient is φ = 1663272.

The previous prime is 2494913. The next prime is 2494931. The reversal of 2494917 is 7194942.

It can be written as a sum of positive squares in only one way, i.e., 2313441 + 181476 = 1521^2 + 426^2 .

It is not a de Polignac number, because 2494917 - 2² = 2494913 is a prime.

It is a super-2 number, since 2×2494917² = 12449221673778, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2494913) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 138598 + ... + 138615.

2^2494917 is an apocalyptic number.

It is an amenable number.

2494917 is a deficient number, since it is larger than the sum of its proper divisors (1108865).

2494917 is a wasteful number, since it uses less digits than its factorization.

2494917 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277219 (or 277216 counting only the distinct ones).

The product of its digits is 18144, while the sum is 36.

The square root of 2494917 is about 1579.5306264837. The cubic root of 2494917 is about 135.6288358546.

The spelling of 2494917 in words is "two million, four hundred ninety-four thousand, nine hundred seventeen".