83849 has 4 divisors (see below), whose sum is σ = 84480. Its totient is φ = 83220.

The previous prime is 83843. The next prime is 83857. The reversal of 83849 is 94838.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 94838 = 2 ⋅47419.

It is a cyclic number.

It is not a de Polignac number, because 83849 - 2⁴ = 83833 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (83843) 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, 29 + ... + 410.

It is an arithmetic number, because the mean of its divisors is an integer number (21120).

2⁸³⁸⁴⁹ is an apocalyptic number.

It is an amenable number.

83849 is a deficient number, since it is larger than the sum of its proper divisors (631).

83849 is a wasteful number, since it uses less digits than its factorization.

83849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 630.

The product of its digits is 6912, while the sum is 32.

The square root of 83849 is about 289.5669180000. The cubic root of 83849 is about 43.7689333018.

The spelling of 83849 in words is "eighty-three thousand, eight hundred forty-nine".