28194300 has 54 divisors (see below), whose sum is σ = 88376288. Its totient is φ = 7518240.

The previous prime is 28194281. The next prime is 28194301. The reversal of 28194300 is 349182.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28194301) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 14764 + ... + 16563.

Almost surely, 2^28194300 is an apocalyptic number.

28194300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28194300 is an abundant number, since it is smaller than the sum of its proper divisors (60181988).

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

28194300 is a wasteful number, since it uses less digits than its factorization.

28194300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31347 (or 31337 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 28194300 is about 5309.8305057695. The cubic root of 28194300 is about 304.3596706718.

The spelling of 28194300 in words is "twenty-eight million, one hundred ninety-four thousand, three hundred".