2729456 has 20 divisors (see below), whose sum is σ = 5518992. Its totient is φ = 1305216.

The previous prime is 2729443. The next prime is 2729459. The reversal of 2729456 is 6549272.

2729456 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2729459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3341 + ... + 4076.

2^2729456 is an apocalyptic number.

It is an amenable number.

2729456 is an abundant number, since it is smaller than the sum of its proper divisors (2789536).

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

2729456 is a wasteful number, since it uses less digits than its factorization.

2729456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7448 (or 7442 counting only the distinct ones).

The product of its digits is 30240, while the sum is 35.

The square root of 2729456 is about 1652.1065340952. The cubic root of 2729456 is about 139.7522147662.

The spelling of 2729456 in words is "two million, seven hundred twenty-nine thousand, four hundred fifty-six".