2493918 has 24 divisors (see below), whose sum is σ = 6175728. Its totient is φ = 712512.

The previous prime is 2493877. The next prime is 2493923. The reversal of 2493918 is 8193942.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9771 + ... + 10022.

It is an arithmetic number, because the mean of its divisors is an integer number (257322).

2^2493918 is an apocalyptic number.

2493918 is an abundant number, since it is smaller than the sum of its proper divisors (3681810).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2493918 is a wasteful number, since it uses less digits than its factorization.

2493918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19808 (or 19805 counting only the distinct ones).

The product of its digits is 15552, while the sum is 36.

The square root of 2493918 is about 1579.2143616368. The cubic root of 2493918 is about 135.6107308708.

The spelling of 2493918 in words is "two million, four hundred ninety-three thousand, nine hundred eighteen".