28382983 has 4 divisors (see below), whose sum is σ = 28416960. Its totient is φ = 28349008.

The previous prime is 28382957. The next prime is 28382993. The reversal of 28382983 is 38928382.

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 28382983 - 2¹³ = 28374791 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28382933) 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, 15703 + ... + 17416.

It is an arithmetic number, because the mean of its divisors is an integer number (7104240).

Almost surely, 2^28382983 is an apocalyptic number.

28382983 is a deficient number, since it is larger than the sum of its proper divisors (33977).

28382983 is an equidigital number, since it uses as much as digits as its factorization.

28382983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33976.

The product of its digits is 165888, while the sum is 43.

The square root of 28382983 is about 5327.5682069777. The cubic root of 28382983 is about 305.0371109551.

The spelling of 28382983 in words is "twenty-eight million, three hundred eighty-two thousand, nine hundred eighty-three".