86982969 has 16 divisors (see below), whose sum is σ = 122292800. Its totient is φ = 54841536.

The previous prime is 86982949. The next prime is 86982979. The reversal of 86982969 is 96928968.

It is not a de Polignac number, because 86982969 - 2⁹ = 86982457 is a prime.

It is a super-2 number, since 2×86982969² = 15132073792109922, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86982949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47727 + ... + 49515.

It is an arithmetic number, because the mean of its divisors is an integer number (7643300).

Almost surely, 2^86982969 is an apocalyptic number.

It is an amenable number.

86982969 is a deficient number, since it is larger than the sum of its proper divisors (35309831).

86982969 is a wasteful number, since it uses less digits than its factorization.

86982969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2664.

The product of its digits is 3359232, while the sum is 57.

The square root of 86982969 is about 9326.4660509756. The cubic root of 86982969 is about 443.0758464234.

It can be divided in two parts, 869 and 82969, that added together give a palindrome (83838).

The spelling of 86982969 in words is "eighty-six million, nine hundred eighty-two thousand, nine hundred sixty-nine".