28936282 has 4 divisors (see below), whose sum is σ = 43404426. Its totient is φ = 14468140.

The previous prime is 28936273. The next prime is 28936301. The reversal of 28936282 is 28263982.

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., 23824161 + 5112121 = 4881^2 + 2261^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7234069 + ... + 7234072.

Almost surely, 2^28936282 is an apocalyptic number.

28936282 is a deficient number, since it is larger than the sum of its proper divisors (14468144).

28936282 is a wasteful number, since it uses less digits than its factorization.

28936282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14468143.

The product of its digits is 82944, while the sum is 40.

The square root of 28936282 is about 5379.2454861254. The cubic root of 28936282 is about 307.0065039100.

It can be divided in two parts, 289362 and 82, that added together give a square (289444 = 538²).

The spelling of 28936282 in words is "twenty-eight million, nine hundred thirty-six thousand, two hundred eighty-two".