28444726 has 16 divisors (see below), whose sum is σ = 43650000. Its totient is φ = 13897728.

The previous prime is 28444709. The next prime is 28444739. The reversal of 28444726 is 62744482.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22150 + ... + 23398.

It is an arithmetic number, because the mean of its divisors is an integer number (2728125).

Almost surely, 2^28444726 is an apocalyptic number.

28444726 is a deficient number, since it is larger than the sum of its proper divisors (15205274).

28444726 is a wasteful number, since it uses less digits than its factorization.

28444726 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1503.

The product of its digits is 86016, while the sum is 37.

The square root of 28444726 is about 5333.3597291013. The cubic root of 28444726 is about 305.2581385338.

The spelling of 28444726 in words is "twenty-eight million, four hundred forty-four thousand, seven hundred twenty-six".