84675321 has 8 divisors (see below), whose sum is σ = 125444960. Its totient is φ = 56450196.

The previous prime is 84675301. The next prime is 84675347. The reversal of 84675321 is 12357648.

It is not a de Polignac number, because 84675321 - 2⁶ = 84675257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84675301) 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, 1568035 + ... + 1568088.

It is an arithmetic number, because the mean of its divisors is an integer number (15680620).

Almost surely, 2^84675321 is an apocalyptic number.

It is an amenable number.

84675321 is a deficient number, since it is larger than the sum of its proper divisors (40769639).

84675321 is a wasteful number, since it uses less digits than its factorization.

84675321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3136132 (or 3136126 counting only the distinct ones).

The product of its digits is 40320, while the sum is 36.

The square root of 84675321 is about 9201.9194193386. The cubic root of 84675321 is about 439.1224261303.

It can be divided in two parts, 846 and 75321, that added together give a palindrome (76167).

The spelling of 84675321 in words is "eighty-four million, six hundred seventy-five thousand, three hundred twenty-one".