2493756 has 36 divisors (see below), whose sum is σ = 6427512. Its totient is φ = 814944.

The previous prime is 2493749. The next prime is 2493767. The reversal of 2493756 is 6573942.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a d-powerful number, because it can be written as 2¹³ + 4⁴ + 9³ + 3¹² + 7 + 5⁹ + 6 .

It is a self number, because there is not a number n which added to its sum of digits gives 2493756.

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, 1255 + ... + 2561.

It is an arithmetic number, because the mean of its divisors is an integer number (178542).

2^2493756 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 2493756, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3213756).

2493756 is an abundant number, since it is smaller than the sum of its proper divisors (3933756).

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

2493756 is a wasteful number, since it uses less digits than its factorization.

2493756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1370 (or 1365 counting only the distinct ones).

The product of its digits is 45360, while the sum is 36.

The square root of 2493756 is about 1579.1630694770. The cubic root of 2493756 is about 135.6077944719.

It can be divided in two parts, 2493 and 756, that added together give a square (3249 = 57²).

The spelling of 2493756 in words is "two million, four hundred ninety-three thousand, seven hundred fifty-six".