28882419 has 4 divisors (see below), whose sum is σ = 38509896. Its totient is φ = 19254944.

The previous prime is 28882417. The next prime is 28882471. The reversal of 28882419 is 91428882.

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

It is a cyclic number.

It is not a de Polignac number, because 28882419 - 2¹ = 28882417 is a prime.

It is a super-2 number, since 2×28882419² = 1668388254583122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (28882417) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4813734 + ... + 4813739.

It is an arithmetic number, because the mean of its divisors is an integer number (9627474).

Almost surely, 2^28882419 is an apocalyptic number.

28882419 is a deficient number, since it is larger than the sum of its proper divisors (9627477).

28882419 is an equidigital number, since it uses as much as digits as its factorization.

28882419 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9627476.

The product of its digits is 73728, while the sum is 42.

The square root of 28882419 is about 5374.2365969503. The cubic root of 28882419 is about 306.8158947369.

The spelling of 28882419 in words is "twenty-eight million, eight hundred eighty-two thousand, four hundred nineteen".