83685383 has 4 divisors (see below), whose sum is σ = 83868960. Its totient is φ = 83501808.

The previous prime is 83685377. The next prime is 83685389. The reversal of 83685383 is 38358638.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (83685377) and next prime (83685389).

It is a cyclic number.

It is not a de Polignac number, because 83685383 - 2⁸ = 83685127 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83685389) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91103 + ... + 92016.

It is an arithmetic number, because the mean of its divisors is an integer number (20967240).

Almost surely, 2^83685383 is an apocalyptic number.

83685383 is a deficient number, since it is larger than the sum of its proper divisors (183577).

83685383 is a wasteful number, since it uses less digits than its factorization.

83685383 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183576.

The product of its digits is 414720, while the sum is 44.

The square root of 83685383 is about 9147.9715237860. The cubic root of 83685383 is about 437.4044556529.

The spelling of 83685383 in words is "eighty-three million, six hundred eighty-five thousand, three hundred eighty-three".