28344626 has 8 divisors (see below), whose sum is σ = 43214124. Its totient is φ = 13939920.

The previous prime is 28344587. The next prime is 28344649. The reversal of 28344626 is 62644382.

It can be written as a sum of positive squares in 2 ways, for example, as 28143025 + 201601 = 5305^2 + 449^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 116045 + ... + 116288.

Almost surely, 2^28344626 is an apocalyptic number.

28344626 is a deficient number, since it is larger than the sum of its proper divisors (14869498).

28344626 is a wasteful number, since it uses less digits than its factorization.

28344626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232396.

The product of its digits is 55296, while the sum is 35.

The square root of 28344626 is about 5323.9671298760. The cubic root of 28344626 is about 304.8996391108.

The spelling of 28344626 in words is "twenty-eight million, three hundred forty-four thousand, six hundred twenty-six".