28959272 has 8 divisors (see below), whose sum is σ = 54298650. Its totient is φ = 14479632.

The previous prime is 28959269. The next prime is 28959299. The reversal of 28959272 is 27295982.

It can be written as a sum of positive squares in only one way, i.e., 19061956 + 9897316 = 4366^2 + 3146^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1809947 + ... + 1809962.

Almost surely, 2^28959272 is an apocalyptic number.

It is an amenable number.

28959272 is a deficient number, since it is larger than the sum of its proper divisors (25339378).

28959272 is a wasteful number, since it uses less digits than its factorization.

28959272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3619915 (or 3619911 counting only the distinct ones).

The product of its digits is 181440, while the sum is 44.

The square root of 28959272 is about 5381.3819786371. The cubic root of 28959272 is about 307.0877883810.

It can be divided in two parts, 2895 and 9272, that added together give a cube (12167 = 23³).

The spelling of 28959272 in words is "twenty-eight million, nine hundred fifty-nine thousand, two hundred seventy-two".