2492856 has 40 divisors (see below), whose sum is σ = 6984120. Its totient is φ = 830736.

The previous prime is 2492851. The next prime is 2492879. The reversal of 2492856 is 6582942.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 2492856.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2492851) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1276 + ... + 2571.

It is an arithmetic number, because the mean of its divisors is an integer number (174603).

2^2492856 is an apocalyptic number.

It is an amenable number.

2492856 is an abundant number, since it is smaller than the sum of its proper divisors (4491264).

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

2492856 is a wasteful number, since it uses less digits than its factorization.

2492856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3865 (or 3852 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 2492856 is about 1578.8780826904. The cubic root of 2492856 is about 135.5914788286.

The spelling of 2492856 in words is "two million, four hundred ninety-two thousand, eight hundred fifty-six".