86415329 has 32 divisors (see below), whose sum is σ = 117089280. Its totient is φ = 61588800.

The previous prime is 86415299. The next prime is 86415341. The reversal of 86415329 is 92351468.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-86415329 is a prime.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 86415292 and 86415301.

It is not an unprimeable number, because it can be changed into a prime (86415359) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 130802 + ... + 131460.

It is an arithmetic number, because the mean of its divisors is an integer number (3659040).

Almost surely, 2^86415329 is an apocalyptic number.

It is an amenable number.

86415329 is a deficient number, since it is larger than the sum of its proper divisors (30673951).

86415329 is a wasteful number, since it uses less digits than its factorization.

86415329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 821.

The product of its digits is 51840, while the sum is 38.

The square root of 86415329 is about 9295.9845632402. The cubic root of 86415329 is about 442.1099229755.

The spelling of 86415329 in words is "eighty-six million, four hundred fifteen thousand, three hundred twenty-nine".