28828895 has 4 divisors (see below), whose sum is σ = 34594680. Its totient is φ = 23063112.

The previous prime is 28828861. The next prime is 28828901. The reversal of 28828895 is 59882882.

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

It is a cyclic number.

It is not a de Polignac number, because 28828895 - 2¹⁰ = 28827871 is a prime.

It is a super-2 number, since 2×28828895² = 1662210373842050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2882885 + ... + 2882894.

It is an arithmetic number, because the mean of its divisors is an integer number (8648670).

Almost surely, 2^28828895 is an apocalyptic number.

28828895 is a deficient number, since it is larger than the sum of its proper divisors (5765785).

28828895 is an equidigital number, since it uses as much as digits as its factorization.

28828895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5765784.

The product of its digits is 737280, while the sum is 50.

The square root of 28828895 is about 5369.2546037602. The cubic root of 28828895 is about 306.6262503185.

The spelling of 28828895 in words is "twenty-eight million, eight hundred twenty-eight thousand, eight hundred ninety-five".