83565942 has 16 divisors (see below), whose sum is σ = 171019200. Its totient is φ = 27207432.

The previous prime is 83565929. The next prime is 83565949. The reversal of 83565942 is 24956538.

It is a junction number, because it is equal to n+sod(n) for n = 83565894 and 83565903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83565949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 161692 + ... + 162207.

It is an arithmetic number, because the mean of its divisors is an integer number (10688700).

Almost surely, 2^83565942 is an apocalyptic number.

83565942 is an abundant number, since it is smaller than the sum of its proper divisors (87453258).

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

83565942 is a wasteful number, since it uses less digits than its factorization.

83565942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323947.

The product of its digits is 259200, while the sum is 42.

The square root of 83565942 is about 9141.4409148668. The cubic root of 83565942 is about 437.1962595946.

The spelling of 83565942 in words is "eighty-three million, five hundred sixty-five thousand, nine hundred forty-two".