28982308 has 12 divisors (see below), whose sum is σ = 51676380. Its totient is φ = 14217632.

The previous prime is 28982299. The next prime is 28982311. The reversal of 28982308 is 80328982.

It can be written as a sum of positive squares in 2 ways, for example, as 20268004 + 8714304 = 4502^2 + 2952^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68143 + ... + 68566.

It is an arithmetic number, because the mean of its divisors is an integer number (4306365).

Almost surely, 2^28982308 is an apocalyptic number.

It is an amenable number.

28982308 is a deficient number, since it is larger than the sum of its proper divisors (22694072).

28982308 is a wasteful number, since it uses less digits than its factorization.

28982308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136766 (or 136764 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 40.

The square root of 28982308 is about 5383.5218955624. The cubic root of 28982308 is about 307.1691923542.

The spelling of 28982308 in words is "twenty-eight million, nine hundred eighty-two thousand, three hundred eight".