2872493 has 12 divisors (see below), whose sum is σ = 3250080. Its totient is φ = 2532816.

The previous prime is 2872481. The next prime is 2872523. The reversal of 2872493 is 3942782.

It is not a de Polignac number, because 2872493 - 2⁸ = 2872237 is a prime.

It is an Ulam number.

It is a d-powerful number, because it can be written as 2¹⁷ + 8⁷ + 7⁶ + 2¹⁹ + 4³ + 9² + 3⁷ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2872423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3518 + ... + 4256.

It is an arithmetic number, because the mean of its divisors is an integer number (270840).

2^2872493 is an apocalyptic number.

2872493 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

2872493 is a deficient number, since it is larger than the sum of its proper divisors (377587).

2872493 is a wasteful number, since it uses less digits than its factorization.

With its predecessor (2872492) it forms a Ruth-Aaron pair, since the sum of their distinct prime factors is the same (775).

2872493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 788 (or 775 counting only the distinct ones).

The product of its digits is 24192, while the sum is 35.

The square root of 2872493 is about 1694.8430605811. The cubic root of 2872493 is about 142.1520061065.

The spelling of 2872493 in words is "two million, eight hundred seventy-two thousand, four hundred ninety-three".