28085337 has 12 divisors (see below), whose sum is σ = 46363200. Its totient is φ = 16048728.

The previous prime is 28085333. The next prime is 28085347. The reversal of 28085337 is 73358082.

It is not a de Polignac number, because 28085337 - 2² = 28085333 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28085333) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 222837 + ... + 222962.

It is an arithmetic number, because the mean of its divisors is an integer number (3863600).

Almost surely, 2^28085337 is an apocalyptic number.

It is an amenable number.

28085337 is a deficient number, since it is larger than the sum of its proper divisors (18277863).

28085337 is a wasteful number, since it uses less digits than its factorization.

28085337 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 445812 (or 445809 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 28085337 is about 5299.5600760818. The cubic root of 28085337 is about 303.9670764495.

The spelling of 28085337 in words is "twenty-eight million, eighty-five thousand, three hundred thirty-seven".