28898199 has 12 divisors (see below), whose sum is σ = 45536712. Its totient is φ = 17514000.

The previous prime is 28898179. The next prime is 28898209. The reversal of 28898199 is 99189882.

It is a happy number.

It is not a de Polignac number, because 28898199 - 2⁵ = 28898167 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28898179) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 145852 + ... + 146049.

It is an arithmetic number, because the mean of its divisors is an integer number (3794726).

Almost surely, 2^28898199 is an apocalyptic number.

28898199 is a deficient number, since it is larger than the sum of its proper divisors (16638513).

28898199 is a wasteful number, since it uses less digits than its factorization.

28898199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291918 (or 291915 counting only the distinct ones).

The product of its digits is 746496, while the sum is 54.

The square root of 28898199 is about 5375.7045119686. The cubic root of 28898199 is about 306.8717611719.

The spelling of 28898199 in words is "twenty-eight million, eight hundred ninety-eight thousand, one hundred ninety-nine".