2839456 has 24 divisors (see below), whose sum is σ = 5658660. Its totient is φ = 1402368.

The previous prime is 2839451. The next prime is 2839457. The reversal of 2839456 is 6549382.

It can be written as a sum of positive squares in 2 ways, for example, as 2835856 + 3600 = 1684^2 + 60^2 .

It is not an unprimeable number, because it can be changed into a prime (2839451) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2350 + ... + 3346.

2^2839456 is an apocalyptic number.

It is an amenable number.

2839456 is a deficient number, since it is larger than the sum of its proper divisors (2819204).

2839456 is an equidigital number, since it uses as much as digits as its factorization.

2839456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1096 (or 1088 counting only the distinct ones).

The product of its digits is 51840, while the sum is 37.

The square root of 2839456 is about 1685.0685445999. The cubic root of 2839456 is about 141.6049324252.

The spelling of 2839456 in words is "two million, eight hundred thirty-nine thousand, four hundred fifty-six".