84032091 has 24 divisors (see below), whose sum is σ = 142602096. Its totient is φ = 47010240.

The previous prime is 84032089. The next prime is 84032119. The reversal of 84032091 is 19023048.

It is not a de Polignac number, because 84032091 - 2¹ = 84032089 is a prime.

It is a super-2 number, since 2×84032091² = 14122784635664562, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (84032591) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31360 + ... + 33933.

It is an arithmetic number, because the mean of its divisors is an integer number (5941754).

Almost surely, 2^84032091 is an apocalyptic number.

84032091 is a deficient number, since it is larger than the sum of its proper divisors (58570005).

84032091 is a wasteful number, since it uses less digits than its factorization.

84032091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65323 (or 65320 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 84032091 is about 9166.9019303143. The cubic root of 84032091 is about 438.0076779789.

The spelling of 84032091 in words is "eighty-four million, thirty-two thousand, ninety-one".