86919841 has 8 divisors (see below), whose sum is σ = 89631360. Its totient is φ = 84248112.

The previous prime is 86919839. The next prime is 86919863. The reversal of 86919841 is 14891968.

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 86919841 - 2¹ = 86919839 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 86919791 and 86919800.

It is not an unprimeable number, because it can be changed into a prime (86919241) 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, 5481 + ... + 14278.

It is an arithmetic number, because the mean of its divisors is an integer number (11203920).

Almost surely, 2^86919841 is an apocalyptic number.

It is an amenable number.

86919841 is a deficient number, since it is larger than the sum of its proper divisors (2711519).

86919841 is a wasteful number, since it uses less digits than its factorization.

86919841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19895.

The product of its digits is 124416, while the sum is 46.

The square root of 86919841 is about 9323.0810894253. The cubic root of 86919841 is about 442.9686328634.

The spelling of 86919841 in words is "eighty-six million, nine hundred nineteen thousand, eight hundred forty-one".