83683349 has 4 divisors (see below), whose sum is σ = 83792940. Its totient is φ = 83573760.

The previous prime is 83683321. The next prime is 83683351. The reversal of 83683349 is 94338638.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 94338638 = 2 ⋅47169319.

It can be written as a sum of positive squares in 2 ways, for example, as 41667025 + 42016324 = 6455^2 + 6482^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-83683349 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 (83683319) 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, 53642 + ... + 55179.

It is an arithmetic number, because the mean of its divisors is an integer number (20948235).

Almost surely, 2^83683349 is an apocalyptic number.

It is an amenable number.

83683349 is a deficient number, since it is larger than the sum of its proper divisors (109591).

83683349 is a wasteful number, since it uses less digits than its factorization.

83683349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109590.

The product of its digits is 373248, while the sum is 44.

The square root of 83683349 is about 9147.8603509236. The cubic root of 83683349 is about 437.4009118724.

The spelling of 83683349 in words is "eighty-three million, six hundred eighty-three thousand, three hundred forty-nine".