28484339 has 8 divisors (see below), whose sum is σ = 31505040. Its totient is φ = 25582176.

The previous prime is 28484321. The next prime is 28484371. The reversal of 28484339 is 93348482.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28484339 is a prime.

It is a super-2 number, since 2×28484339² = 1622715136533842, 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 = 28484296 and 28484305.

It is not an unprimeable number, because it can be changed into a prime (28484389) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29129 + ... + 30090.

It is an arithmetic number, because the mean of its divisors is an integer number (3938130).

Almost surely, 2^28484339 is an apocalyptic number.

28484339 is a deficient number, since it is larger than the sum of its proper divisors (3020701).

28484339 is a wasteful number, since it uses less digits than its factorization.

28484339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59269.

The product of its digits is 165888, while the sum is 41.

The square root of 28484339 is about 5337.0721374177. The cubic root of 28484339 is about 305.3997767606.

The spelling of 28484339 in words is "twenty-eight million, four hundred eighty-four thousand, three hundred thirty-nine".