28473116 has 24 divisors (see below), whose sum is σ = 58111200. Its totient is φ = 12202176.

The previous prime is 28473083. The next prime is 28473161. The reversal of 28473116 is 61137482.

It is a congruent number.

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, 9005 + ... + 11748.

It is an arithmetic number, because the mean of its divisors is an integer number (2421300).

Almost surely, 2^28473116 is an apocalyptic number.

It is an amenable number.

28473116 is an abundant number, since it is smaller than the sum of its proper divisors (29638084).

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

28473116 is a wasteful number, since it uses less digits than its factorization.

28473116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20778 (or 20762 counting only the distinct ones).

The product of its digits is 8064, while the sum is 32.

The square root of 28473116 is about 5336.0206146528. The cubic root of 28473116 is about 305.3596617119.

The spelling of 28473116 in words is "twenty-eight million, four hundred seventy-three thousand, one hundred sixteen".