84310321 has 8 divisors (see below), whose sum is σ = 86605344. Its totient is φ = 82045920.

The previous prime is 84310319. The next prime is 84310349. The reversal of 84310321 is 12301348.

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

It is a cyclic number.

It is not a de Polignac number, because 84310321 - 2¹ = 84310319 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 84310292 and 84310301.

It is not an unprimeable number, because it can be changed into a prime (84310381) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2020 + ... + 13141.

It is an arithmetic number, because the mean of its divisors is an integer number (10825668).

Almost surely, 2^84310321 is an apocalyptic number.

It is an amenable number.

84310321 is a deficient number, since it is larger than the sum of its proper divisors (2295023).

84310321 is a wasteful number, since it uses less digits than its factorization.

84310321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15311.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 84310321 is about 9182.0651816462. The cubic root of 84310321 is about 438.4905594645.

Adding to 84310321 its reverse (12301348), we get a palindrome (96611669).

The spelling of 84310321 in words is "eighty-four million, three hundred ten thousand, three hundred twenty-one".