2493489 has 4 divisors (see below), whose sum is σ = 3324656. Its totient is φ = 1662324.

The previous prime is 2493479. The next prime is 2493511. The reversal of 2493489 is 9843942.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 2493489 - 2⁸ = 2493233 is a prime.

It is a D-number.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2493409) 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, 415579 + ... + 415584.

It is an arithmetic number, because the mean of its divisors is an integer number (831164).

2^2493489 is an apocalyptic number.

It is an amenable number.

2493489 is a deficient number, since it is larger than the sum of its proper divisors (831167).

2493489 is an equidigital number, since it uses as much as digits as its factorization.

2493489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 831166.

The product of its digits is 62208, while the sum is 39.

The square root of 2493489 is about 1579.0785287629. The cubic root of 2493489 is about 135.6029545740.

The spelling of 2493489 in words is "two million, four hundred ninety-three thousand, four hundred eighty-nine".