84334091 has 4 divisors (see below), whose sum is σ = 85169184. Its totient is φ = 83499000.

The previous prime is 84334087. The next prime is 84334139. The reversal of 84334091 is 19043348.

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

It is a cyclic number.

It is not a de Polignac number, because 84334091 - 2² = 84334087 is a prime.

It is a super-2 number, since 2×84334091² = 14224477809592562, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84334021) 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, 417395 + ... + 417596.

It is an arithmetic number, because the mean of its divisors is an integer number (21292296).

Almost surely, 2^84334091 is an apocalyptic number.

84334091 is a deficient number, since it is larger than the sum of its proper divisors (835093).

84334091 is a wasteful number, since it uses less digits than its factorization.

84334091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 835092.

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 84334091 is about 9183.3594615478. The cubic root of 84334091 is about 438.5317641517.

The spelling of 84334091 in words is "eighty-four million, three hundred thirty-four thousand, ninety-one".