28293174 has 96 divisors (see below), whose sum is σ = 78833664. Its totient is φ = 7128000.

The previous prime is 28293113. The next prime is 28293193. The reversal of 28293174 is 47139282.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 37299 + ... + 38049.

It is an arithmetic number, because the mean of its divisors is an integer number (821184).

Almost surely, 2^28293174 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28293174, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39416832).

28293174 is an abundant number, since it is smaller than the sum of its proper divisors (50540490).

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

28293174 is a wasteful number, since it uses less digits than its factorization.

28293174 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 802 (or 799 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The square root of 28293174 is about 5319.1328240607. The cubic root of 28293174 is about 304.7150397671.

The spelling of 28293174 in words is "twenty-eight million, two hundred ninety-three thousand, one hundred seventy-four".