28982650 has 12 divisors (see below), whose sum is σ = 53907822. Its totient is φ = 11593040.

The previous prime is 28982647. The next prime is 28982689. The reversal of 28982650 is 5628982.

It can be written as a sum of positive squares in 3 ways, for example, as 17833729 + 11148921 = 4223^2 + 3339^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 289777 + ... + 289876.

Almost surely, 2^28982650 is an apocalyptic number.

28982650 is a deficient number, since it is larger than the sum of its proper divisors (24925172).

28982650 is a wasteful number, since it uses less digits than its factorization.

28982650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 579665 (or 579660 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 40.

The square root of 28982650 is about 5383.5536590620. The cubic root of 28982650 is about 307.1704005792.

The spelling of 28982650 in words is "twenty-eight million, nine hundred eighty-two thousand, six hundred fifty".