28833771 has 8 divisors (see below), whose sum is σ = 38470144. Its totient is φ = 19209960.

The previous prime is 28833769. The next prime is 28833781. The reversal of 28833771 is 17733882.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 28833771 - 2¹ = 28833769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28833781) 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, 6126 + ... + 9756.

It is an arithmetic number, because the mean of its divisors is an integer number (4808768).

Almost surely, 2^28833771 is an apocalyptic number.

28833771 is a deficient number, since it is larger than the sum of its proper divisors (9636373).

28833771 is a wasteful number, since it uses less digits than its factorization.

28833771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6281.

The product of its digits is 56448, while the sum is 39.

The square root of 28833771 is about 5369.7086513143. The cubic root of 28833771 is about 306.6435365090.

The spelling of 28833771 in words is "twenty-eight million, eight hundred thirty-three thousand, seven hundred seventy-one".