28082116 has 6 divisors (see below), whose sum is σ = 49143710. Its totient is φ = 14041056.

The previous prime is 28082107. The next prime is 28082161. The reversal of 28082116 is 61128082.

It can be written as a sum of positive squares in only one way, i.e., 18096516 + 9985600 = 4254^2 + 3160^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3510261 + ... + 3510268.

Almost surely, 2^28082116 is an apocalyptic number.

It is an amenable number.

28082116 is a deficient number, since it is larger than the sum of its proper divisors (21061594).

28082116 is a wasteful number, since it uses less digits than its factorization.

28082116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7020533 (or 7020531 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 28.

The square root of 28082116 is about 5299.2561742192. The cubic root of 28082116 is about 303.9554557310.

The spelling of 28082116 in words is "twenty-eight million, eighty-two thousand, one hundred sixteen".