86441861 has 8 divisors (see below), whose sum is σ = 95629248. Its totient is φ = 77476000.

The previous prime is 86441851. The next prime is 86441869. The reversal of 86441861 is 16814468.

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-86441861 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86441869) 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, 54560 + ... + 56121.

It is an arithmetic number, because the mean of its divisors is an integer number (11953656).

Almost surely, 2^86441861 is an apocalyptic number.

It is an amenable number.

86441861 is a deficient number, since it is larger than the sum of its proper divisors (9187387).

86441861 is a wasteful number, since it uses less digits than its factorization.

86441861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110763.

The product of its digits is 36864, while the sum is 38.

The square root of 86441861 is about 9297.4115214935. The cubic root of 86441861 is about 442.1551651809.

The spelling of 86441861 in words is "eighty-six million, four hundred forty-one thousand, eight hundred sixty-one".