28482842 has 4 divisors (see below), whose sum is σ = 42724266. Its totient is φ = 14241420.

The previous prime is 28482841. The next prime is 28482869. The reversal of 28482842 is 24828482.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 21613201 + 6869641 = 4649^2 + 2621^2 .

It is a super-2 number, since 2×28482842² = 1622544576793928, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 28482796 and 28482805.

It is not an unprimeable number, because it can be changed into a prime (28482841) 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 as a sum of consecutive naturals, namely, 7120709 + ... + 7120712.

Almost surely, 2^28482842 is an apocalyptic number.

28482842 is a deficient number, since it is larger than the sum of its proper divisors (14241424).

28482842 is a wasteful number, since it uses less digits than its factorization.

28482842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14241423.

The product of its digits is 65536, while the sum is 38.

The square root of 28482842 is about 5336.9318901406. The cubic root of 28482842 is about 305.3944265519.

The spelling of 28482842 in words is "twenty-eight million, four hundred eighty-two thousand, eight hundred forty-two".