28302954 has 16 divisors (see below), whose sum is σ = 57674592. Its totient is φ = 9256208.

The previous prime is 28302941. The next prime is 28302971. The reversal of 28302954 is 45920382.

It is a happy number.

It is a super-2 number, since 2×28302954² = 1602114410252232, which contains 22 as substring.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44184 + ... + 44819.

It is an arithmetic number, because the mean of its divisors is an integer number (3604662).

Almost surely, 2^28302954 is an apocalyptic number.

28302954 is an abundant number, since it is smaller than the sum of its proper divisors (29371638).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28302954 is a wasteful number, since it uses less digits than its factorization.

28302954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89061.

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 28302954 is about 5320.0520674144. The cubic root of 28302954 is about 304.7501456408.

The spelling of 28302954 in words is "twenty-eight million, three hundred two thousand, nine hundred fifty-four".