84052091 has 8 divisors (see below), whose sum is σ = 86637264. Its totient is φ = 81492480.

The previous prime is 84052069. The next prime is 84052109. The reversal of 84052091 is 19025048.

84052091 is nontrivially palindromic in base 14.

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 84052091 - 2¹⁰ = 84051067 is a prime.

It is not an unprimeable number, because it can be changed into a prime (84052021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 395 + ... + 12971.

It is an arithmetic number, because the mean of its divisors is an integer number (10829658).

Almost surely, 2^84052091 is an apocalyptic number.

84052091 is a deficient number, since it is larger than the sum of its proper divisors (2585173).

84052091 is a wasteful number, since it uses less digits than its factorization.

84052091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12781.

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 84052091 is about 9167.9927465067. The cubic root of 84052091 is about 438.0424244611.

The spelling of 84052091 in words is "eighty-four million, fifty-two thousand, ninety-one".