2493816 has 32 divisors (see below), whose sum is σ = 6714960. Its totient is φ = 767232.

The previous prime is 2493779. The next prime is 2493817. The reversal of 2493816 is 6183942.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2493817) 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, 3685 + ... + 4308.

2^2493816 is an apocalyptic number.

2493816 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

2493816 is an abundant number, since it is smaller than the sum of its proper divisors (4221144).

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

2493816 is a wasteful number, since it uses less digits than its factorization.

2493816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8015 (or 8011 counting only the distinct ones).

The product of its digits is 10368, while the sum is 33.

The square root of 2493816 is about 1579.1820667675. The cubic root of 2493816 is about 135.6088820419.

The spelling of 2493816 in words is "two million, four hundred ninety-three thousand, eight hundred sixteen".