28862339 has 8 divisors (see below), whose sum is σ = 31579632. Its totient is φ = 26160640.

The previous prime is 28862329. The next prime is 28862359. The reversal of 28862339 is 93326882.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 28862339 - 2¹² = 28858243 is a prime.

It is a super-2 number, since 2×28862339² = 1666069225101842, 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 = 28862296 and 28862305.

It is not an unprimeable number, because it can be changed into a prime (28862329) 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 7 ways as a sum of consecutive naturals, for example, 167 + ... + 7599.

It is an arithmetic number, because the mean of its divisors is an integer number (3947454).

Almost surely, 2^28862339 is an apocalyptic number.

28862339 is a deficient number, since it is larger than the sum of its proper divisors (2717293).

28862339 is a wasteful number, since it uses less digits than its factorization.

28862339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7797.

The product of its digits is 124416, while the sum is 41.

The square root of 28862339 is about 5372.3680998234. The cubic root of 28862339 is about 306.7447754462.

It can be divided in two parts, 2886 and 2339, that added together give a palindrome (5225).

The spelling of 28862339 in words is "twenty-eight million, eight hundred sixty-two thousand, three hundred thirty-nine".