28099366 has 16 divisors (see below), whose sum is σ = 44516160. Its totient is φ = 13265640.

The previous prime is 28099349. The next prime is 28099367. The reversal of 28099366 is 66399082.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28099367) 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, 12121 + ... + 14251.

It is an arithmetic number, because the mean of its divisors is an integer number (2782260).

Almost surely, 2^28099366 is an apocalyptic number.

28099366 is a deficient number, since it is larger than the sum of its proper divisors (16416794).

28099366 is a wasteful number, since it uses less digits than its factorization.

28099366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2499.

The product of its (nonzero) digits is 139968, while the sum is 43.

The square root of 28099366 is about 5300.8835112649. The cubic root of 28099366 is about 304.0176798928.

The spelling of 28099366 in words is "twenty-eight million, ninety-nine thousand, three hundred sixty-six".