28198683 has 12 divisors (see below), whose sum is σ = 40818960. Its totient is φ = 18758736.

The previous prime is 28198663. The next prime is 28198691. The reversal of 28198683 is 38689182.

It is not a de Polignac number, because 28198683 - 2¹² = 28194587 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28198633) 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, 1413 + ... + 7641.

It is an arithmetic number, because the mean of its divisors is an integer number (3401580).

Almost surely, 2^28198683 is an apocalyptic number.

28198683 is a deficient number, since it is larger than the sum of its proper divisors (12620277).

28198683 is a wasteful number, since it uses less digits than its factorization.

28198683 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6738 (or 6735 counting only the distinct ones).

The product of its digits is 165888, while the sum is 45.

The square root of 28198683 is about 5310.2432147690. The cubic root of 28198683 is about 304.3754414637.

The spelling of 28198683 in words is "twenty-eight million, one hundred ninety-eight thousand, six hundred eighty-three".