28127196 has 48 divisors (see below), whose sum is σ = 73493280. Its totient is φ = 9302400.

The previous prime is 28127191. The next prime is 28127207. The reversal of 28127196 is 69172182.

It is a super-2 number, since 2×28127196² = 1582278309644832, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 28127196.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28127191) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13846 + ... + 15746.

It is an arithmetic number, because the mean of its divisors is an integer number (1531110).

Almost surely, 2^28127196 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28127196, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36746640).

28127196 is an abundant number, since it is smaller than the sum of its proper divisors (45366084).

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

28127196 is a wasteful number, since it uses less digits than its factorization.

28127196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2051 (or 2043 counting only the distinct ones).

The product of its digits is 12096, while the sum is 36.

The square root of 28127196 is about 5303.5078957234. The cubic root of 28127196 is about 304.1180145449.

The spelling of 28127196 in words is "twenty-eight million, one hundred twenty-seven thousand, one hundred ninety-six".