28245967 has 8 divisors (see below), whose sum is σ = 28642896. Its totient is φ = 27851712.

The previous prime is 28245961. The next prime is 28245983. The reversal of 28245967 is 76954282.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28245967 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28245961) 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, 29163 + ... + 30115.

It is an arithmetic number, because the mean of its divisors is an integer number (3580362).

Almost surely, 2^28245967 is an apocalyptic number.

28245967 is a deficient number, since it is larger than the sum of its proper divisors (396929).

28245967 is a wasteful number, since it uses less digits than its factorization.

28245967 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1337.

The product of its digits is 241920, while the sum is 43.

The square root of 28245967 is about 5314.6935000995. The cubic root of 28245967 is about 304.5454736548.

The spelling of 28245967 in words is "twenty-eight million, two hundred forty-five thousand, nine hundred sixty-seven".