2493456 has 80 divisors (see below), whose sum is σ = 7582848. Its totient is φ = 691200.

The previous prime is 2493443. The next prime is 2493479. The reversal of 2493456 is 6543942.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors.

Its product of digits (25920) is a multiple of the sum of its prime factors (240).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13686 + ... + 13866.

2^2493456 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2493456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3791424).

2493456 is an abundant number, since it is smaller than the sum of its proper divisors (5089392).

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

2493456 is a wasteful number, since it uses less digits than its factorization.

2493456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240 (or 234 counting only the distinct ones).

The product of its digits is 25920, while the sum is 33.

The square root of 2493456 is about 1579.0680795963. The cubic root of 2493456 is about 135.6023563604.

The spelling of 2493456 in words is "two million, four hundred ninety-three thousand, four hundred fifty-six".