28596191 has 8 divisors (see below), whose sum is σ = 30913344. Its totient is φ = 26295840.

The previous prime is 28596187. The next prime is 28596221. The reversal of 28596191 is 19169582.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 28596191 - 2² = 28596187 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 (28596131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 536 + ... + 7581.

It is an arithmetic number, because the mean of its divisors is an integer number (3864168).

Almost surely, 2^28596191 is an apocalyptic number.

28596191 is a deficient number, since it is larger than the sum of its proper divisors (2317153).

28596191 is a wasteful number, since it uses less digits than its factorization.

28596191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8401.

The product of its digits is 38880, while the sum is 41.

The square root of 28596191 is about 5347.5406496819. The cubic root of 28596191 is about 305.7990015256.

The spelling of 28596191 in words is "twenty-eight million, five hundred ninety-six thousand, one hundred ninety-one".