2493556 has 24 divisors (see below), whose sum is σ = 4766720. Its totient is φ = 1134432.

The previous prime is 2493551. The next prime is 2493559. The reversal of 2493556 is 6553942.

It is a d-powerful number, because it can be written as 2¹⁸ + 4⁶ + 9 + 3¹² + 5⁴ + 5⁶ + 6⁸ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2493551) 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, 3805 + ... + 4411.

2^2493556 is an apocalyptic number.

2493556 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

2493556 is a deficient number, since it is larger than the sum of its proper divisors (2273164).

2493556 is a wasteful number, since it uses less digits than its factorization.

2493556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 703 (or 701 counting only the distinct ones).

The product of its digits is 32400, while the sum is 34.

The square root of 2493556 is about 1579.0997435248. The cubic root of 2493556 is about 135.6041691127.

The spelling of 2493556 in words is "two million, four hundred ninety-three thousand, five hundred fifty-six".