28119882 has 32 divisors (see below), whose sum is σ = 64438272. Its totient is φ = 8013744.

The previous prime is 28119863. The next prime is 28119899. The reversal of 28119882 is 28891182.

It is a self number, because there is not a number n which added to its sum of digits gives 28119882.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24943 + ... + 26045.

It is an arithmetic number, because the mean of its divisors is an integer number (2013696).

Almost surely, 2^28119882 is an apocalyptic number.

28119882 is an abundant number, since it is smaller than the sum of its proper divisors (36318390).

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

28119882 is a wasteful number, since it uses less digits than its factorization.

28119882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1722.

The product of its digits is 18432, while the sum is 39.

The square root of 28119882 is about 5302.8183072777. The cubic root of 28119882 is about 304.0916520168.

The spelling of 28119882 in words is "twenty-eight million, one hundred nineteen thousand, eight hundred eighty-two".