2493439 has 4 divisors (see below), whose sum is σ = 2685256. Its totient is φ = 2301624.

The previous prime is 2493437. The next prime is 2493443. The reversal of 2493439 is 9343942.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2493439 - 2¹ = 2493437 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 (2493437) 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, 95889 + ... + 95914.

It is an arithmetic number, because the mean of its divisors is an integer number (671314).

2^2493439 is an apocalyptic number.

2493439 is a deficient number, since it is larger than the sum of its proper divisors (191817).

2493439 is a wasteful number, since it uses less digits than its factorization.

2493439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191816.

The product of its digits is 23328, while the sum is 34.

The square root of 2493439 is about 1579.0626966653. The cubic root of 2493439 is about 135.6020481877.

The spelling of 2493439 in words is "two million, four hundred ninety-three thousand, four hundred thirty-nine".