83856236 has 6 divisors (see below), whose sum is σ = 146748420. Its totient is φ = 41928116.

The previous prime is 83856233. The next prime is 83856239. The reversal of 83856236 is 63265838.

It is an interprime number because it is at equal distance from previous prime (83856233) and next prime (83856239).

It is a junction number, because it is equal to n+sod(n) for n = 83856193 and 83856202.

It is not an unprimeable number, because it can be changed into a prime (83856233) 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 as a sum of consecutive naturals, namely, 10482026 + ... + 10482033.

It is an arithmetic number, because the mean of its divisors is an integer number (24458070).

Almost surely, 2^83856236 is an apocalyptic number.

It is an amenable number.

83856236 is a deficient number, since it is larger than the sum of its proper divisors (62892184).

83856236 is a wasteful number, since it uses less digits than its factorization.

83856236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20964063 (or 20964061 counting only the distinct ones).

The product of its digits is 207360, while the sum is 41.

The square root of 83856236 is about 9157.3050620802. The cubic root of 83856236 is about 437.7019232256.

The spelling of 83856236 in words is "eighty-three million, eight hundred fifty-six thousand, two hundred thirty-six".