28574963 has 8 divisors (see below), whose sum is σ = 29831040. Its totient is φ = 27339840.

The previous prime is 28574957. The next prime is 28574983. The reversal of 28574963 is 36947582.

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 28574963 - 2¹⁸ = 28312819 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28574983) 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, 2420 + ... + 7937.

It is an arithmetic number, because the mean of its divisors is an integer number (3728880).

Almost surely, 2^28574963 is an apocalyptic number.

28574963 is a deficient number, since it is larger than the sum of its proper divisors (1256077).

28574963 is a wasteful number, since it uses less digits than its factorization.

28574963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10477.

The product of its digits is 362880, while the sum is 44.

The square root of 28574963 is about 5345.5554435437. Note that the first 3 decimals coincide. The cubic root of 28574963 is about 305.7233141942.

The spelling of 28574963 in words is "twenty-eight million, five hundred seventy-four thousand, nine hundred sixty-three".