486081861 has 8 divisors (see below), whose sum is σ = 648234624. Its totient is φ = 323991840.

The previous prime is 486081859. The next prime is 486081863. The reversal of 486081861 is 168180684.

It is an interprime number because it is at equal distance from previous prime (486081859) and next prime (486081863).

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

It is not a de Polignac number, because 486081861 - 2¹ = 486081859 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (486081863) 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, 7140 + ... + 31986.

It is an arithmetic number, because the mean of its divisors is an integer number (81029328).

Almost surely, 2^486081861 is an apocalyptic number.

It is an amenable number.

486081861 is a deficient number, since it is larger than the sum of its proper divisors (162152763).

486081861 is a wasteful number, since it uses less digits than its factorization.

486081861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31371.

The product of its (nonzero) digits is 73728, while the sum is 42.

The square root of 486081861 is about 22047.2642520563. The cubic root of 486081861 is about 786.2665590995.

The spelling of 486081861 in words is "four hundred eighty-six million, eighty-one thousand, eight hundred sixty-one".