28574603 has 4 divisors (see below), whose sum is σ = 30255480. Its totient is φ = 26893728.

The previous prime is 28574597. The next prime is 28574621. The reversal of 28574603 is 30647582.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 28574603 - 2⁴ = 28574587 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28574633) 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 3 ways as a sum of consecutive naturals, for example, 840413 + ... + 840446.

It is an arithmetic number, because the mean of its divisors is an integer number (7563870).

Almost surely, 2^28574603 is an apocalyptic number.

28574603 is a deficient number, since it is larger than the sum of its proper divisors (1680877).

28574603 is a wasteful number, since it uses less digits than its factorization.

28574603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1680876.

The product of its (nonzero) digits is 40320, while the sum is 35.

The square root of 28574603 is about 5345.5217706039. The cubic root of 28574603 is about 305.7220303097.

The spelling of 28574603 in words is "twenty-eight million, five hundred seventy-four thousand, six hundred three".