28235097 has 24 divisors (see below), whose sum is σ = 44684640. Its totient is φ = 17038080.

The previous prime is 28235087. The next prime is 28235111. The reversal of 28235097 is 79053282.

It is a happy number.

It is not a de Polignac number, because 28235097 - 2¹⁵ = 28202329 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28235027) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29929 + ... + 30857.

It is an arithmetic number, because the mean of its divisors is an integer number (1861860).

Almost surely, 2^28235097 is an apocalyptic number.

It is an amenable number.

28235097 is a deficient number, since it is larger than the sum of its proper divisors (16449543).

28235097 is a wasteful number, since it uses less digits than its factorization.

28235097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1253 (or 1250 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 28235097 is about 5313.6707651114. The cubic root of 28235097 is about 304.5064021885.

The spelling of 28235097 in words is "twenty-eight million, two hundred thirty-five thousand, ninety-seven".