83827449 has 18 divisors (see below), whose sum is σ = 127797306. Its totient is φ = 52941600.

The previous prime is 83827439. The next prime is 83827463. The reversal of 83827449 is 94472838.

It can be written as a sum of positive squares in only one way, i.e., 72131049 + 11696400 = 8493^2 + 3420^2 .

It is not a de Polignac number, because 83827449 - 2⁷ = 83827321 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (83827439) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 9652 + ... + 16149.

Almost surely, 2^83827449 is an apocalyptic number.

It is an amenable number.

83827449 is a deficient number, since it is larger than the sum of its proper divisors (43969857).

83827449 is a wasteful number, since it uses less digits than its factorization.

83827449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25845 (or 25823 counting only the distinct ones).

The product of its digits is 387072, while the sum is 45.

The square root of 83827449 is about 9155.7331219297. The cubic root of 83827449 is about 437.6518312747.

The spelling of 83827449 in words is "eighty-three million, eight hundred twenty-seven thousand, four hundred forty-nine".