86320369 has 2 divisors, whose sum is σ = 86320370. Its totient is φ = 86320368.

The previous prime is 86320343. The next prime is 86320387. The reversal of 86320369 is 96302368.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 66178225 + 20142144 = 8135^2 + 4488^2 .

It is a cyclic number.

It is not a de Polignac number, because 86320369 - 2²³ = 77931761 is a prime.

It is a super-2 number, since 2×86320369² = 14902412208592322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (86320469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43160184 + 43160185.

It is an arithmetic number, because the mean of its divisors is an integer number (43160185).

Almost surely, 2^86320369 is an apocalyptic number.

It is an amenable number.

86320369 is a deficient number, since it is larger than the sum of its proper divisors (1).

86320369 is an equidigital number, since it uses as much as digits as its factorization.

86320369 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 46656, while the sum is 37.

The square root of 86320369 is about 9290.8755776837. The cubic root of 86320369 is about 441.9479218345.

The spelling of 86320369 in words is "eighty-six million, three hundred twenty thousand, three hundred sixty-nine".