2494943 has 4 divisors (see below), whose sum is σ = 2721768. Its totient is φ = 2268120.

The previous prime is 2494931. The next prime is 2494949. The reversal of 2494943 is 3494942.

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 2494943 - 2¹² = 2490847 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 (2494949) 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, 113396 + ... + 113417.

It is an arithmetic number, because the mean of its divisors is an integer number (680442).

2^2494943 is an apocalyptic number.

2494943 is a deficient number, since it is larger than the sum of its proper divisors (226825).

2494943 is a wasteful number, since it uses less digits than its factorization.

2494943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226824.

The product of its digits is 31104, while the sum is 35.

The square root of 2494943 is about 1579.5388567554. The cubic root of 2494943 is about 135.6293069909.

Subtracting 2494943 from its reverse (3494942), we obtain a palindrome (999999).

The spelling of 2494943 in words is "two million, four hundred ninety-four thousand, nine hundred forty-three".