28084194 has 24 divisors (see below), whose sum is σ = 60952320. Its totient is φ = 9345528.

The previous prime is 28084193. The next prime is 28084201. The reversal of 28084194 is 49148082.

It is not an unprimeable number, because it can be changed into a prime (28084193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15087 + ... + 16845.

It is an arithmetic number, because the mean of its divisors is an integer number (2539680).

Almost surely, 2^28084194 is an apocalyptic number.

28084194 is an abundant number, since it is smaller than the sum of its proper divisors (32868126).

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

28084194 is a wasteful number, since it uses less digits than its factorization.

28084194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2654 (or 2651 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 36.

The square root of 28084194 is about 5299.4522358448. The cubic root of 28084194 is about 303.9629528377.

The spelling of 28084194 in words is "twenty-eight million, eighty-four thousand, one hundred ninety-four".