2492643 has 16 divisors (see below), whose sum is σ = 3455136. Its totient is φ = 1597440.

The previous prime is 2492603. The next prime is 2492657. The reversal of 2492643 is 3462942.

It is not a de Polignac number, because 2492643 - 2¹² = 2488547 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2492643.

It is not an unprimeable number, because it can be changed into a prime (2492603) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9571 + ... + 9827.

It is an arithmetic number, because the mean of its divisors is an integer number (215946).

2^2492643 is an apocalyptic number.

2492643 is a deficient number, since it is larger than the sum of its proper divisors (962493).

2492643 is a wasteful number, since it uses less digits than its factorization.

2492643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374.

The product of its digits is 10368, while the sum is 30.

The square root of 2492643 is about 1578.8106282895. The cubic root of 2492643 is about 135.5876168851.

Subtracting 2492643 from its reverse (3462942), we obtain a cube (970299 = 99³).

The spelling of 2492643 in words is "two million, four hundred ninety-two thousand, six hundred forty-three".