28828383 has 4 divisors (see below), whose sum is σ = 38437848. Its totient is φ = 19218920.

The previous prime is 28828367. The next prime is 28828399. The reversal of 28828383 is 38382882.

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

It is an interprime number because it is at equal distance from previous prime (28828367) and next prime (28828399).

It is a cyclic number.

It is not a de Polignac number, because 28828383 - 2⁴ = 28828367 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28828313) 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, 4804728 + ... + 4804733.

It is an arithmetic number, because the mean of its divisors is an integer number (9609462).

Almost surely, 2^28828383 is an apocalyptic number.

28828383 is a deficient number, since it is larger than the sum of its proper divisors (9609465).

28828383 is an equidigital number, since it uses as much as digits as its factorization.

28828383 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9609464.

The product of its digits is 147456, while the sum is 42.

The square root of 28828383 is about 5369.2069246771. The cubic root of 28828383 is about 306.6244350845.

The spelling of 28828383 in words is "twenty-eight million, eight hundred twenty-eight thousand, three hundred eighty-three".