28898103 has 16 divisors (see below), whose sum is σ = 41781600. Its totient is φ = 17660544.

The previous prime is 28898099. The next prime is 28898117. The reversal of 28898103 is 30189882.

It is not a de Polignac number, because 28898103 - 2² = 28898099 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28898173) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3325 + ... + 8297.

It is an arithmetic number, because the mean of its divisors is an integer number (2611350).

Almost surely, 2^28898103 is an apocalyptic number.

28898103 is a deficient number, since it is larger than the sum of its proper divisors (12883497).

28898103 is a wasteful number, since it uses less digits than its factorization.

28898103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5138.

The product of its (nonzero) digits is 27648, while the sum is 39.

The square root of 28898103 is about 5375.6955828990. The cubic root of 28898103 is about 306.8714213616.

The spelling of 28898103 in words is "twenty-eight million, eight hundred ninety-eight thousand, one hundred three".