84516091 has 16 divisors (see below), whose sum is σ = 94089600. Its totient is φ = 75275200.

The previous prime is 84516073. The next prime is 84516109. The reversal of 84516091 is 19061548.

It is an interprime number because it is at equal distance from previous prime (84516073) and next prime (84516109).

It is a de Polignac number, because none of the positive numbers 2^k-84516091 is a prime.

It is not an unprimeable number, because it can be changed into a prime (84516001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 127920 + ... + 128578.

It is an arithmetic number, because the mean of its divisors is an integer number (5880600).

Almost surely, 2^84516091 is an apocalyptic number.

84516091 is a deficient number, since it is larger than the sum of its proper divisors (9573509).

84516091 is a wasteful number, since it uses less digits than its factorization.

84516091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 890.

The product of its (nonzero) digits is 8640, while the sum is 34.

The square root of 84516091 is about 9193.2633487788. The cubic root of 84516091 is about 438.8470001955.

The spelling of 84516091 in words is "eighty-four million, five hundred sixteen thousand, ninety-one".