83646834 has 16 divisors (see below), whose sum is σ = 177134688. Its totient is φ = 26242112.

The previous prime is 83646833. The next prime is 83646839. The reversal of 83646834 is 43864638.

It is not an unprimeable number, because it can be changed into a prime (83646833) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 409932 + ... + 410135.

It is an arithmetic number, because the mean of its divisors is an integer number (11070918).

Almost surely, 2^83646834 is an apocalyptic number.

83646834 is an abundant number, since it is smaller than the sum of its proper divisors (93487854).

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

83646834 is a wasteful number, since it uses less digits than its factorization.

83646834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 820089.

The product of its digits is 331776, while the sum is 42.

The square root of 83646834 is about 9145.8643112611. The cubic root of 83646834 is about 437.3372830537.

The spelling of 83646834 in words is "eighty-three million, six hundred forty-six thousand, eight hundred thirty-four".