28482339 has 4 divisors (see below), whose sum is σ = 37976456. Its totient is φ = 18988224.

The previous prime is 28482299. The next prime is 28482353. The reversal of 28482339 is 93328482.

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

It is not a de Polignac number, because 28482339 - 2¹⁶ = 28416803 is a prime.

It is a super-2 number, since 2×28482339² = 1622487269821842, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 28482297 and 28482306.

It is not an unprimeable number, because it can be changed into a prime (28482439) 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 3 ways as a sum of consecutive naturals, for example, 4747054 + ... + 4747059.

It is an arithmetic number, because the mean of its divisors is an integer number (9494114).

Almost surely, 2^28482339 is an apocalyptic number.

28482339 is a deficient number, since it is larger than the sum of its proper divisors (9494117).

28482339 is an equidigital number, since it uses as much as digits as its factorization.

28482339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9494116.

The product of its digits is 82944, while the sum is 39.

The square root of 28482339 is about 5336.8847654788. The cubic root of 28482339 is about 305.3926288111.

Adding to 28482339 its sum of digits (39), we get a triangular number (28482378 = T₇₅₄₇).

The spelling of 28482339 in words is "twenty-eight million, four hundred eighty-two thousand, three hundred thirty-nine".