2493440 has 44 divisors (see below), whose sum is σ = 5993616. Its totient is φ = 995328.

The previous prime is 2493437. The next prime is 2493443. The reversal of 2493440 is 443942.

It is an interprime number because it is at equal distance from previous prime (2493437) and next prime (2493443).

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (2493443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4877 + ... + 5363.

2^2493440 is an apocalyptic number.

2493440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2493440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2996808).

2493440 is an abundant number, since it is smaller than the sum of its proper divisors (3500176).

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

2493440 is an equidigital number, since it uses as much as digits as its factorization.

2493440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 512 (or 494 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 2493440 is about 1579.0630133088. The cubic root of 2493440 is about 135.6020663155.

The spelling of 2493440 in words is "two million, four hundred ninety-three thousand, four hundred forty".