28574445 has 8 divisors (see below), whose sum is σ = 45719136. Its totient is φ = 15239696.

The previous prime is 28574443. The next prime is 28574519. The reversal of 28574445 is 54447582.

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 28574445 - 2¹ = 28574443 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, 952467 + ... + 952496.

It is an arithmetic number, because the mean of its divisors is an integer number (5714892).

Almost surely, 2^28574445 is an apocalyptic number.

It is an amenable number.

28574445 is a deficient number, since it is larger than the sum of its proper divisors (17144691).

28574445 is a wasteful number, since it uses less digits than its factorization.

28574445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1904971.

The product of its digits is 179200, while the sum is 39.

The square root of 28574445 is about 5345.5069918577. The cubic root of 28574445 is about 305.7214668237.

The spelling of 28574445 in words is "twenty-eight million, five hundred seventy-four thousand, four hundred forty-five".