2490793 has 4 divisors (see below), whose sum is σ = 2499588. Its totient is φ = 2482000.

The previous prime is 2490769. The next prime is 2490809. The reversal of 2490793 is 3970942.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3970942 = 2 ⋅1985471.

It can be written as a sum of positive squares in 2 ways, for example, as 1317904 + 1172889 = 1148^2 + 1083^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2490793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2490713) 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, 3958 + ... + 4543.

It is an arithmetic number, because the mean of its divisors is an integer number (624897).

2^2490793 is an apocalyptic number.

It is an amenable number.

2490793 is a deficient number, since it is larger than the sum of its proper divisors (8795).

2490793 is an equidigital number, since it uses as much as digits as its factorization.

2490793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8794.

The product of its (nonzero) digits is 13608, while the sum is 34.

The square root of 2490793 is about 1578.2246354686. The cubic root of 2490793 is about 135.5540649253.

The spelling of 2490793 in words is "two million, four hundred ninety thousand, seven hundred ninety-three".