28058468 has 6 divisors (see below), whose sum is σ = 49102326. Its totient is φ = 14029232.

The previous prime is 28058467. The next prime is 28058477. The reversal of 28058468 is 86485082.

It can be written as a sum of positive squares in only one way, i.e., 26708224 + 1350244 = 5168^2 + 1162^2 .

It is not an unprimeable number, because it can be changed into a prime (28058467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3507305 + ... + 3507312.

It is an arithmetic number, because the mean of its divisors is an integer number (8183721).

Almost surely, 2^28058468 is an apocalyptic number.

It is an amenable number.

28058468 is a deficient number, since it is larger than the sum of its proper divisors (21043858).

28058468 is a wasteful number, since it uses less digits than its factorization.

28058468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7014621 (or 7014619 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 41.

The square root of 28058468 is about 5297.0244477442. The cubic root of 28058468 is about 303.8701112930.

The spelling of 28058468 in words is "twenty-eight million, fifty-eight thousand, four hundred sixty-eight".