2493831 has 8 divisors (see below), whose sum is σ = 3338224. Its totient is φ = 1656000.

The previous prime is 2493817. The next prime is 2493833. The reversal of 2493831 is 1383942.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2493831 - 2⁶ = 2493767 is a prime.

It is a super-2 number, since 2×2493831² = 12438386113122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2493833) 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, 670 + ... + 2331.

It is an arithmetic number, because the mean of its divisors is an integer number (417278).

2^2493831 is an apocalyptic number.

2493831 is a deficient number, since it is larger than the sum of its proper divisors (844393).

2493831 is a wasteful number, since it uses less digits than its factorization.

2493831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3281.

The product of its digits is 5184, while the sum is 30.

The square root of 2493831 is about 1579.1868160544. The cubic root of 2493831 is about 135.6091539317.

The spelling of 2493831 in words is "two million, four hundred ninety-three thousand, eight hundred thirty-one".