28167874 has 16 divisors (see below), whose sum is σ = 49953600. Its totient is φ = 11655504.

The previous prime is 28167869. The next prime is 28167907. The reversal of 28167874 is 47876182.

It is a self number, because there is not a number n which added to its sum of digits gives 28167874.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34284 + ... + 35095.

It is an arithmetic number, because the mean of its divisors is an integer number (3122100).

Almost surely, 2^28167874 is an apocalyptic number.

28167874 is a deficient number, since it is larger than the sum of its proper divisors (21785726).

28167874 is a wasteful number, since it uses less digits than its factorization.

28167874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69417.

The product of its digits is 150528, while the sum is 43.

The square root of 28167874 is about 5307.3415190658. The cubic root of 28167874 is about 304.2645507029.

The spelling of 28167874 in words is "twenty-eight million, one hundred sixty-seven thousand, eight hundred seventy-four".