85928491 has 8 divisors (see below), whose sum is σ = 95920704. Its totient is φ = 76299720.

The previous prime is 85928459. The next prime is 85928503. The reversal of 85928491 is 19482958.

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 85928491 - 2⁵ = 85928459 is a prime.

It is not an unprimeable number, because it can be changed into a prime (85928191) 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, 90361 + ... + 91306.

It is an arithmetic number, because the mean of its divisors is an integer number (11990088).

Almost surely, 2^85928491 is an apocalyptic number.

85928491 is a deficient number, since it is larger than the sum of its proper divisors (9992213).

85928491 is a wasteful number, since it uses less digits than its factorization.

85928491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181721.

The product of its digits is 207360, while the sum is 46.

The square root of 85928491 is about 9269.7621868093. The cubic root of 85928491 is about 441.2781208153.

The spelling of 85928491 in words is "eighty-five million, nine hundred twenty-eight thousand, four hundred ninety-one".