83824349 has 6 divisors (see below), whose sum is σ = 97510014. Its totient is φ = 71849400.

The previous prime is 83824343. The next prime is 83824357. The reversal of 83824349 is 94342838.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 44222500 + 39601849 = 6650^2 + 6293^2 .

It is a de Polignac number, because none of the positive numbers 2^k-83824349 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83824343) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 855302 + ... + 855399.

It is an arithmetic number, because the mean of its divisors is an integer number (16251669).

Almost surely, 2^83824349 is an apocalyptic number.

It is an amenable number.

83824349 is a deficient number, since it is larger than the sum of its proper divisors (13685665).

83824349 is a wasteful number, since it uses less digits than its factorization.

83824349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1710715 (or 1710708 counting only the distinct ones).

The product of its digits is 165888, while the sum is 41.

The square root of 83824349 is about 9155.5638275313. The cubic root of 83824349 is about 437.6464363139.

The spelling of 83824349 in words is "eighty-three million, eight hundred twenty-four thousand, three hundred forty-nine".