83942236 has 24 divisors (see below), whose sum is σ = 168537600. Its totient is φ = 35835312.

The previous prime is 83942231. The next prime is 83942237. The reversal of 83942236 is 63224938.

It is a junction number, because it is equal to n+sod(n) for n = 83942195 and 83942204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83942231) 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, 1665 + ... + 13063.

It is an arithmetic number, because the mean of its divisors is an integer number (7022400).

Almost surely, 2^83942236 is an apocalyptic number.

It is an amenable number.

83942236 is an abundant number, since it is smaller than the sum of its proper divisors (84595364).

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

83942236 is a wasteful number, since it uses less digits than its factorization.

83942236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11673 (or 11671 counting only the distinct ones).

The product of its digits is 62208, while the sum is 37.

The square root of 83942236 is about 9161.9995634141. Note that the first 3 decimals coincide. The cubic root of 83942236 is about 437.8515026578.

The spelling of 83942236 in words is "eighty-three million, nine hundred forty-two thousand, two hundred thirty-six".