86453321 has 4 divisors (see below), whose sum is σ = 89434500. Its totient is φ = 83472144.

The previous prime is 86453317. The next prime is 86453329. The reversal of 86453321 is 12335468.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 23425600 + 63027721 = 4840^2 + 7939^2 .

It is a cyclic number.

It is not a de Polignac number, because 86453321 - 2² = 86453317 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86453329) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1490546 + ... + 1490603.

It is an arithmetic number, because the mean of its divisors is an integer number (22358625).

Almost surely, 2^86453321 is an apocalyptic number.

It is an amenable number.

86453321 is a deficient number, since it is larger than the sum of its proper divisors (2981179).

86453321 is a wasteful number, since it uses less digits than its factorization.

86453321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2981178.

The product of its digits is 17280, while the sum is 32.

The square root of 86453321 is about 9298.0278016362. The cubic root of 86453321 is about 442.1747038404.

Adding to 86453321 its reverse (12335468), we get a palindrome (98788789).

The spelling of 86453321 in words is "eighty-six million, four hundred fifty-three thousand, three hundred twenty-one".