28005162 has 8 divisors (see below), whose sum is σ = 56010336. Its totient is φ = 9335052.

The previous prime is 28005149. The next prime is 28005163. The reversal of 28005162 is 26150082.

It is a sphenic number, since it is the product of 3 distinct primes.

28005162 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (28005163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2333758 + ... + 2333769.

It is an arithmetic number, because the mean of its divisors is an integer number (7001292).

Almost surely, 2^28005162 is an apocalyptic number.

28005162 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

28005162 is a wasteful number, since it uses less digits than its factorization.

28005162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4667532.

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 28005162 is about 5291.9903628030. The cubic root of 28005162 is about 303.6775566032.

The spelling of 28005162 in words is "twenty-eight million, five thousand, one hundred sixty-two".