28408883 has 2 divisors, whose sum is σ = 28408884. Its totient is φ = 28408882.

The previous prime is 28408879. The next prime is 28408907. The reversal of 28408883 is 38880482.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28408883 - 2² = 28408879 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 28408883.

It is not a weakly prime, because it can be changed into another prime (28408873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14204441 + 14204442.

It is an arithmetic number, because the mean of its divisors is an integer number (14204442).

Almost surely, 2^28408883 is an apocalyptic number.

28408883 is a deficient number, since it is larger than the sum of its proper divisors (1).

28408883 is an equidigital number, since it uses as much as digits as its factorization.

28408883 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 98304, while the sum is 41.

The square root of 28408883 is about 5329.9984052530. The cubic root of 28408883 is about 305.1298667598.

The spelling of 28408883 in words is "twenty-eight million, four hundred eight thousand, eight hundred eighty-three".