83609706 has 32 divisors (see below), whose sum is σ = 177448320. Its totient is φ = 26172416.

The previous prime is 83609681. The next prime is 83609707. The reversal of 83609706 is 60790638.

It is not an unprimeable number, because it can be changed into a prime (83609707) 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, 85090 + ... + 86066.

It is an arithmetic number, because the mean of its divisors is an integer number (5545260).

Almost surely, 2^83609706 is an apocalyptic number.

83609706 is an abundant number, since it is smaller than the sum of its proper divisors (93838614).

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

83609706 is a wasteful number, since it uses less digits than its factorization.

83609706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1838.

The product of its (nonzero) digits is 54432, while the sum is 39.

The square root of 83609706 is about 9143.8343160843. The cubic root of 83609706 is about 437.2725670691.

The spelling of 83609706 in words is "eighty-three million, six hundred nine thousand, seven hundred six".