28067086 has 8 divisors (see below), whose sum is σ = 42128064. Its totient is φ = 14024400.

The previous prime is 28067077. The next prime is 28067087. The reversal of 28067086 is 68076082.

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

It is a super-2 number, since 2×28067086² = 1575522633062792, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28067087) 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 in 3 ways as a sum of consecutive naturals, for example, 306 + ... + 7498.

It is an arithmetic number, because the mean of its divisors is an integer number (5266008).

Almost surely, 2^28067086 is an apocalyptic number.

28067086 is a deficient number, since it is larger than the sum of its proper divisors (14060978).

28067086 is a wasteful number, since it uses less digits than its factorization.

28067086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9146.

The product of its (nonzero) digits is 32256, while the sum is 37.

The square root of 28067086 is about 5297.8378608636. The cubic root of 28067086 is about 303.9012187713.

The spelling of 28067086 in words is "twenty-eight million, sixty-seven thousand, eighty-six".