2856441 has 16 divisors (see below), whose sum is σ = 4582400. Its totient is φ = 1546128.

The previous prime is 2856431. The next prime is 2856449. The reversal of 2856441 is 1446582.

It is not a de Polignac number, because 2856441 - 2⁵ = 2856409 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2856399 and 2856408.

It is not an unprimeable number, because it can be changed into a prime (2856449) 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, 3181 + ... + 3978.

It is an arithmetic number, because the mean of its divisors is an integer number (286400).

2^2856441 is an apocalyptic number.

2856441 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2856441 is a deficient number, since it is larger than the sum of its proper divisors (1725959).

2856441 is a wasteful number, since it uses less digits than its factorization.

2856441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7188.

The product of its digits is 7680, while the sum is 30.

The square root of 2856441 is about 1690.1008845628. The cubic root of 2856441 is about 141.8867211363.

The spelling of 2856441 in words is "two million, eight hundred fifty-six thousand, four hundred forty-one".