28844906 has 8 divisors (see below), whose sum is σ = 43320420. Its totient is φ = 14404768.

The previous prime is 28844899. The next prime is 28844917. The reversal of 28844906 is 60944882.

It can be written as a sum of positive squares in 2 ways, for example, as 28718881 + 126025 = 5359^2 + 355^2 .

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, 6701 + ... + 10128.

Almost surely, 2^28844906 is an apocalyptic number.

28844906 is a deficient number, since it is larger than the sum of its proper divisors (14475514).

28844906 is a wasteful number, since it uses less digits than its factorization.

28844906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17688.

The product of its (nonzero) digits is 110592, while the sum is 41.

The square root of 28844906 is about 5370.7453858845. The cubic root of 28844906 is about 306.6830045381.

The spelling of 28844906 in words is "twenty-eight million, eight hundred forty-four thousand, nine hundred six".