28826899 has 8 divisors (see below), whose sum is σ = 30515760. Its totient is φ = 27184416.

The previous prime is 28826893. The next prime is 28826911. The reversal of 28826899 is 99862882.

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 28826899 - 2⁷ = 28826771 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28826893) 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, 10312 + ... + 12805.

It is an arithmetic number, because the mean of its divisors is an integer number (3814470).

Almost surely, 2^28826899 is an apocalyptic number.

28826899 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

28826899 is a deficient number, since it is larger than the sum of its proper divisors (1688861).

28826899 is a wasteful number, since it uses less digits than its factorization.

28826899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23189.

The product of its digits is 995328, while the sum is 52.

The square root of 28826899 is about 5369.0687274424. The cubic root of 28826899 is about 306.6191736208.

The spelling of 28826899 in words is "twenty-eight million, eight hundred twenty-six thousand, eight hundred ninety-nine".