28960086 has 16 divisors (see below), whose sum is σ = 57973104. Its totient is φ = 9644544.

The previous prime is 28960081. The next prime is 28960109. The reversal of 28960086 is 68006982.

It is a super-2 number, since 2×28960086² = 1677373162254792, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28960081) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10906 + ... + 13298.

It is an arithmetic number, because the mean of its divisors is an integer number (3623319).

Almost surely, 2^28960086 is an apocalyptic number.

28960086 is an abundant number, since it is smaller than the sum of its proper divisors (29013018).

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

28960086 is a wasteful number, since it uses less digits than its factorization.

28960086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4415.

The product of its (nonzero) digits is 41472, while the sum is 39.

The square root of 28960086 is about 5381.4576092356. The cubic root of 28960086 is about 307.0906656071.

The spelling of 28960086 in words is "twenty-eight million, nine hundred sixty thousand, eighty-six".