84344534 has 32 divisors (see below), whose sum is σ = 137894400. Its totient is φ = 38556000.

The previous prime is 84344501. The next prime is 84344539. The reversal of 84344534 is 43544348.

It is a super-2 number, since 2×84344534² = 14228000831354312, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 84344494 and 84344503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84344539) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 335909 + ... + 336159.

It is an arithmetic number, because the mean of its divisors is an integer number (4309200).

Almost surely, 2^84344534 is an apocalyptic number.

84344534 is a deficient number, since it is larger than the sum of its proper divisors (53549866).

84344534 is a wasteful number, since it uses less digits than its factorization.

84344534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 548.

The product of its digits is 92160, while the sum is 35.

The square root of 84344534 is about 9183.9280267215. The cubic root of 84344534 is about 438.5498643772.

The spelling of 84344534 in words is "eighty-four million, three hundred forty-four thousand, five hundred thirty-four".