84396534 has 16 divisors (see below), whose sum is σ = 178722288. Its totient is φ = 26477312.

The previous prime is 84396523. The next prime is 84396553. The reversal of 84396534 is 43569348.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

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, 413607 + ... + 413810.

It is an arithmetic number, because the mean of its divisors is an integer number (11170143).

Almost surely, 2^84396534 is an apocalyptic number.

84396534 is an abundant number, since it is smaller than the sum of its proper divisors (94325754).

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

84396534 is a wasteful number, since it uses less digits than its factorization.

84396534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 827439.

The product of its digits is 311040, while the sum is 42.

The square root of 84396534 is about 9186.7586231489. The cubic root of 84396534 is about 438.6399706235.

The spelling of 84396534 in words is "eighty-four million, three hundred ninety-six thousand, five hundred thirty-four".