84347229 has 8 divisors (see below), whose sum is σ = 112594720. Its totient is φ = 56165616.

The previous prime is 84347227. The next prime is 84347239. The reversal of 84347229 is 92274348.

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

It is not a de Polignac number, because 84347229 - 2¹ = 84347227 is a prime.

It is a super-2 number, since 2×84347229² = 14228910079956882, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84347227) 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, 13399 + ... + 18660.

It is an arithmetic number, because the mean of its divisors is an integer number (14074340).

Almost surely, 2^84347229 is an apocalyptic number.

It is an amenable number.

84347229 is a deficient number, since it is larger than the sum of its proper divisors (28247491).

84347229 is a wasteful number, since it uses less digits than its factorization.

84347229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32939.

The product of its digits is 96768, while the sum is 39.

The square root of 84347229 is about 9184.0747492603. The cubic root of 84347229 is about 438.5545352165.

The spelling of 84347229 in words is "eighty-four million, three hundred forty-seven thousand, two hundred twenty-nine".