2402856 has 48 divisors (see below), whose sum is σ = 6795360. Its totient is φ = 765600.

The previous prime is 2402849. The next prime is 2402857. The reversal of 2402856 is 6582042.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2402857) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 931 + ... + 2381.

It is an arithmetic number, because the mean of its divisors is an integer number (141570).

2^2402856 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2402856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3397680).

2402856 is an abundant number, since it is smaller than the sum of its proper divisors (4392504).

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

2402856 is a wasteful number, since it uses less digits than its factorization.

2402856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1486 (or 1479 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 2402856 is about 1550.1148344558. The cubic root of 2402856 is about 133.9396773114.

Adding to 2402856 its reverse (6582042), we get a palindrome (8984898).

The spelling of 2402856 in words is "two million, four hundred two thousand, eight hundred fifty-six".