28274106 has 16 divisors (see below), whose sum is σ = 64626624. Its totient is φ = 8078304.

The previous prime is 28274093. The next prime is 28274131. The reversal of 28274106 is 60147282.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 336555 + ... + 336638.

It is an arithmetic number, because the mean of its divisors is an integer number (4039164).

Almost surely, 2^28274106 is an apocalyptic number.

28274106 is an abundant number, since it is smaller than the sum of its proper divisors (36352518).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28274106 is a wasteful number, since it uses less digits than its factorization.

28274106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 673205.

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 28274106 is about 5317.3401245360. The cubic root of 28274106 is about 304.6465708125.

The spelling of 28274106 in words is "twenty-eight million, two hundred seventy-four thousand, one hundred six".