28099874 has 8 divisors (see below), whose sum is σ = 45981648. Its totient is φ = 12772660.

The previous prime is 28099853. The next prime is 28099889. The reversal of 28099874 is 47899082.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 638612 + ... + 638655.

It is an arithmetic number, because the mean of its divisors is an integer number (5747706).

Almost surely, 2^28099874 is an apocalyptic number.

28099874 is a deficient number, since it is larger than the sum of its proper divisors (17881774).

28099874 is a wasteful number, since it uses less digits than its factorization.

28099874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1277280.

The product of its (nonzero) digits is 290304, while the sum is 47.

The square root of 28099874 is about 5300.9314275889. The cubic root of 28099874 is about 304.0195119632.

The spelling of 28099874 in words is "twenty-eight million, ninety-nine thousand, eight hundred seventy-four".