84347534 has 16 divisors (see below), whose sum is σ = 127773072. Its totient is φ = 41758848.

The previous prime is 84347533. The next prime is 84347551. The reversal of 84347534 is 43574348.

It is a super-2 number, since 2×84347534² = 14229012983762312, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84347533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 149537 + ... + 150099.

It is an arithmetic number, because the mean of its divisors is an integer number (7985817).

Almost surely, 2^84347534 is an apocalyptic number.

84347534 is a deficient number, since it is larger than the sum of its proper divisors (43425538).

84347534 is a wasteful number, since it uses less digits than its factorization.

84347534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1171.

The product of its digits is 161280, while the sum is 38.

The square root of 84347534 is about 9184.0913540753. The cubic root of 84347534 is about 438.5550638210. Note that the first 3 decimals are identical.

The spelling of 84347534 in words is "eighty-four million, three hundred forty-seven thousand, five hundred thirty-four".