84342534 has 16 divisors (see below), whose sum is σ = 172274688. Its totient is φ = 27515912.

The previous prime is 84342439. The next prime is 84342547. The reversal of 84342534 is 43524348.

It is a super-2 number, since 2×84342534² = 14227326083082312, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 84342495 and 84342504.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 149262 + ... + 149825.

It is an arithmetic number, because the mean of its divisors is an integer number (10767168).

Almost surely, 2^84342534 is an apocalyptic number.

84342534 is an abundant number, since it is smaller than the sum of its proper divisors (87932154).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

84342534 is a wasteful number, since it uses less digits than its factorization.

84342534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299139.

The product of its digits is 46080, while the sum is 33.

The square root of 84342534 is about 9183.8191402052. The cubic root of 84342534 is about 438.5463980129.

The spelling of 84342534 in words is "eighty-four million, three hundred forty-two thousand, five hundred thirty-four".