84142834 has 16 divisors (see below), whose sum is σ = 127715328. Its totient is φ = 41573952.

The previous prime is 84142829. The next prime is 84142841. The reversal of 84142834 is 43824148.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 84142834.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85107 + ... + 86089.

It is an arithmetic number, because the mean of its divisors is an integer number (7982208).

Almost surely, 2^84142834 is an apocalyptic number.

84142834 is a deficient number, since it is larger than the sum of its proper divisors (43572494).

84142834 is a wasteful number, since it uses less digits than its factorization.

84142834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1449.

The product of its digits is 24576, while the sum is 34.

The square root of 84142834 is about 9172.9403137707. The cubic root of 84142834 is about 438.2000052634.

The spelling of 84142834 in words is "eighty-four million, one hundred forty-two thousand, eight hundred thirty-four".