28559190 has 64 divisors (see below), whose sum is σ = 76826880. Its totient is φ = 6733440.

The previous prime is 28559189. The next prime is 28559197. The reversal of 28559190 is 9195582.

It is a super-2 number, since 2×28559190² = 1631254666912200, which contains 22 as substring.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28559197) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11041 + ... + 13379.

It is an arithmetic number, because the mean of its divisors is an integer number (1200420).

Almost surely, 2^28559190 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28559190, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38413440).

28559190 is an abundant number, since it is smaller than the sum of its proper divisors (48267690).

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

28559190 is a wasteful number, since it uses less digits than its factorization.

28559190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2397.

The product of its (nonzero) digits is 32400, while the sum is 39.

The square root of 28559190 is about 5344.0799020973. The cubic root of 28559190 is about 305.6670521048.

The spelling of 28559190 in words is "twenty-eight million, five hundred fifty-nine thousand, one hundred ninety".