28582923 has 8 divisors (see below), whose sum is σ = 38203200. Its totient is φ = 19008968.

The previous prime is 28582921. The next prime is 28582943. The reversal of 28582923 is 32928582.

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 28582923 - 2¹ = 28582921 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28582921) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10113 + ... + 12626.

It is an arithmetic number, because the mean of its divisors is an integer number (4775400).

Almost surely, 2^28582923 is an apocalyptic number.

28582923 is a deficient number, since it is larger than the sum of its proper divisors (9620277).

28582923 is a wasteful number, since it uses less digits than its factorization.

28582923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23161.

The product of its digits is 69120, while the sum is 39.

The square root of 28582923 is about 5346.2999354694. The cubic root of 28582923 is about 305.7516995520.

The spelling of 28582923 in words is "twenty-eight million, five hundred eighty-two thousand, nine hundred twenty-three".