28194000 has 160 divisors (see below), whose sum is σ = 94089216. Its totient is φ = 7257600.

The previous prime is 28193993. The next prime is 28194011. The reversal of 28194000 is 49182.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 221937 + ... + 222063.

Almost surely, 2^28194000 is an apocalyptic number.

28194000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28194000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47044608).

28194000 is an abundant number, since it is smaller than the sum of its proper divisors (65895216).

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

28194000 is a wasteful number, since it uses less digits than its factorization.

28194000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190 (or 174 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 28194000 is about 5309.8022562050. The cubic root of 28194000 is about 304.3585911602.

The spelling of 28194000 in words is "twenty-eight million, one hundred ninety-four thousand".