2705456 has 20 divisors (see below), whose sum is σ = 5645472. Its totient is φ = 1248576.

The previous prime is 2705447. The next prime is 2705471. The reversal of 2705456 is 6545072.

It is an alternating number because its digits alternate between even and odd.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6296 + ... + 6711.

2^2705456 is an apocalyptic number.

2705456 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

2705456 is an abundant number, since it is smaller than the sum of its proper divisors (2940016).

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

2705456 is a wasteful number, since it uses less digits than its factorization.

2705456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13028 (or 13022 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 29.

The square root of 2705456 is about 1644.8270425792. The cubic root of 2705456 is about 139.3413963777.

The spelling of 2705456 in words is "two million, seven hundred five thousand, four hundred fifty-six".