86046981 has 8 divisors (see below), whose sum is σ = 115017024. Its totient is φ = 57220800.

The previous prime is 86046967. The next prime is 86047007. The reversal of 86046981 is 18964068.

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

It is not a de Polignac number, because 86046981 - 2¹³ = 86038789 is a prime.

It is a super-2 number, since 2×86046981² = 14808165878428722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86046281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34561 + ... + 36966.

It is an arithmetic number, because the mean of its divisors is an integer number (14377128).

Almost surely, 2^86046981 is an apocalyptic number.

It is an amenable number.

86046981 is a deficient number, since it is larger than the sum of its proper divisors (28970043).

86046981 is a wasteful number, since it uses less digits than its factorization.

86046981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71931.

The product of its (nonzero) digits is 82944, while the sum is 42.

The square root of 86046981 is about 9276.1511954043. The cubic root of 86046981 is about 441.4808592738.

The spelling of 86046981 in words is "eighty-six million, forty-six thousand, nine hundred eighty-one".