2442856 has 32 divisors (see below), whose sum is σ = 5009760. Its totient is φ = 1109952.

The previous prime is 2442841. The next prime is 2442859. The reversal of 2442856 is 6582442.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2442859) 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, 8491 + ... + 8773.

It is an arithmetic number, because the mean of its divisors is an integer number (156555).

2^2442856 is an apocalyptic number.

2442856 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2442856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2504880).

2442856 is an abundant number, since it is smaller than the sum of its proper divisors (2566904).

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

2442856 is a wasteful number, since it uses less digits than its factorization.

2442856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 385 (or 381 counting only the distinct ones).

The product of its digits is 15360, while the sum is 31.

The square root of 2442856 is about 1562.9638511495. The cubic root of 2442856 is about 134.6788157955.

The spelling of 2442856 in words is "two million, four hundred forty-two thousand, eight hundred fifty-six".