84001067 has 4 divisors (see below), whose sum is σ = 84116400. Its totient is φ = 83885736.

The previous prime is 84001061. The next prime is 84001111. The reversal of 84001067 is 76010048.

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 84001067 - 2⁴ = 84001051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84001061) 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, 56567 + ... + 58032.

It is an arithmetic number, because the mean of its divisors is an integer number (21029100).

Almost surely, 2^84001067 is an apocalyptic number.

84001067 is a deficient number, since it is larger than the sum of its proper divisors (115333).

84001067 is a wasteful number, since it uses less digits than its factorization.

84001067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115332.

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 84001067 is about 9165.2095993491. The cubic root of 84001067 is about 437.9537683250.

The spelling of 84001067 in words is "eighty-four million, one thousand, sixty-seven".