28383579 has 12 divisors (see below), whose sum is σ = 46855536. Its totient is φ = 16219152.

The previous prime is 28383571. The next prime is 28383601. The reversal of 28383579 is 97538382.

It is not a de Polignac number, because 28383579 - 2³ = 28383571 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28383571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 225204 + ... + 225329.

It is an arithmetic number, because the mean of its divisors is an integer number (3904628).

Almost surely, 2^28383579 is an apocalyptic number.

28383579 is a deficient number, since it is larger than the sum of its proper divisors (18471957).

28383579 is a wasteful number, since it uses less digits than its factorization.

28383579 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 450546 (or 450543 counting only the distinct ones).

The product of its digits is 362880, while the sum is 45.

The square root of 28383579 is about 5327.6241421482. The cubic root of 28383579 is about 305.0392460472.

The spelling of 28383579 in words is "twenty-eight million, three hundred eighty-three thousand, five hundred seventy-nine".