84346221 has 8 divisors (see below), whose sum is σ = 117351360. Its totient is φ = 53785952.

The previous prime is 84346217. The next prime is 84346243. The reversal of 84346221 is 12264348.

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 84346221 - 2² = 84346217 is a prime.

It is a super-2 number, since 2×84346221² = 14228569993961682, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84346201) 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, 611136 + ... + 611273.

It is an arithmetic number, because the mean of its divisors is an integer number (14668920).

Almost surely, 2^84346221 is an apocalyptic number.

It is an amenable number.

84346221 is a deficient number, since it is larger than the sum of its proper divisors (33005139).

84346221 is a wasteful number, since it uses less digits than its factorization.

84346221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1222435.

The product of its digits is 9216, while the sum is 30.

The square root of 84346221 is about 9184.0198714942. The cubic root of 84346221 is about 438.5527882130.

The spelling of 84346221 in words is "eighty-four million, three hundred forty-six thousand, two hundred twenty-one".