28574423 has 8 divisors (see below), whose sum is σ = 30346800. Its totient is φ = 26828928.

The previous prime is 28574419. The next prime is 28574431. The reversal of 28574423 is 32447582.

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 28574423 - 2² = 28574419 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28574443) 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, 4508 + ... + 8801.

It is an arithmetic number, because the mean of its divisors is an integer number (3793350).

Almost surely, 2^28574423 is an apocalyptic number.

28574423 is a deficient number, since it is larger than the sum of its proper divisors (1772377).

28574423 is a wasteful number, since it uses less digits than its factorization.

28574423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13441.

The product of its digits is 53760, while the sum is 35.

The square root of 28574423 is about 5345.5049340544. The cubic root of 28574423 is about 305.7213883634.

The spelling of 28574423 in words is "twenty-eight million, five hundred seventy-four thousand, four hundred twenty-three".