28424196 has 36 divisors (see below), whose sum is σ = 74513712. Its totient is φ = 9474408.

The previous prime is 28424191. The next prime is 28424203. The reversal of 28424196 is 69142482.

It is a tau number, because it is divible by the number of its divisors (36).

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 28424196.

It is not an unprimeable number, because it can be changed into a prime (28424191) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13650 + ... + 15593.

Almost surely, 2^28424196 is an apocalyptic number.

It is an amenable number.

28424196 is an abundant number, since it is smaller than the sum of its proper divisors (46089516).

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

28424196 is a wasteful number, since it uses less digits than its factorization.

28424196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29262 (or 29248 counting only the distinct ones).

The product of its digits is 27648, while the sum is 36.

The square root of 28424196 is about 5331.4347037172. The cubic root of 28424196 is about 305.1846807697.

The spelling of 28424196 in words is "twenty-eight million, four hundred twenty-four thousand, one hundred ninety-six".