2801456 has 20 divisors (see below), whose sum is σ = 6203472. Its totient is φ = 1200576.

The previous prime is 2801443. The next prime is 2801459. The reversal of 2801456 is 6541082.

2801456 is digitally balanced in base 8, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (26) coincides with the sum of the digits of its prime factors.

2801456 is strictly pandigital in base 8.

It is a zygodrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (2801459) 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, 12395 + ... + 12618.

2^2801456 is an apocalyptic number.

It is an amenable number.

2801456 is an abundant number, since it is smaller than the sum of its proper divisors (3402016).

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

2801456 is a wasteful number, since it uses less digits than its factorization.

2801456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25028 (or 25022 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 2801456 is about 1673.7550597384. The cubic root of 2801456 is about 140.9704010435.

The spelling of 2801456 in words is "two million, eight hundred one thousand, four hundred fifty-six".