28819082 has 4 divisors (see below), whose sum is σ = 43228626. Its totient is φ = 14409540.

The previous prime is 28819061. The next prime is 28819093. The reversal of 28819082 is 28091882.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 19704721 + 9114361 = 4439^2 + 3019^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7204769 + ... + 7204772.

Almost surely, 2^28819082 is an apocalyptic number.

28819082 is a deficient number, since it is larger than the sum of its proper divisors (14409544).

28819082 is a wasteful number, since it uses less digits than its factorization.

28819082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14409543.

The product of its (nonzero) digits is 18432, while the sum is 38.

The square root of 28819082 is about 5368.3407119891. The cubic root of 28819082 is about 306.5914557734.

The spelling of 28819082 in words is "twenty-eight million, eight hundred nineteen thousand, eighty-two".