28446923 has 8 divisors (see below), whose sum is σ = 29100816. Its totient is φ = 27799200.

The previous prime is 28446911. The next prime is 28446937. The reversal of 28446923 is 32964482.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 28446923 - 2¹⁰ = 28445899 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28446973) 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 7 ways as a sum of consecutive naturals, for example, 8513 + ... + 11373.

It is an arithmetic number, because the mean of its divisors is an integer number (3637602).

Almost surely, 2^28446923 is an apocalyptic number.

28446923 is a deficient number, since it is larger than the sum of its proper divisors (653893).

28446923 is a wasteful number, since it uses less digits than its factorization.

28446923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3085.

The product of its digits is 82944, while the sum is 38.

The square root of 28446923 is about 5333.5656928550. The cubic root of 28446923 is about 305.2659974583.

The spelling of 28446923 in words is "twenty-eight million, four hundred forty-six thousand, nine hundred twenty-three".