2493040 has 40 divisors (see below), whose sum is σ = 6325488. Its totient is φ = 906240.

The previous prime is 2493037. The next prime is 2493041. The reversal of 2493040 is 403942.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2493041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 537 + ... + 2296.

2^2493040 is an apocalyptic number.

2493040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2493040 is an abundant number, since it is smaller than the sum of its proper divisors (3832448).

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

2493040 is a wasteful number, since it uses less digits than its factorization.

2493040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2857 (or 2851 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 2493040 is about 1578.9363508388. The cubic root of 2493040 is about 135.5948147906.

Adding to 2493040 its reverse (403942), we get a palindrome (2896982).

The spelling of 2493040 in words is "two million, four hundred ninety-three thousand, forty".