83548649 has 8 divisors (see below), whose sum is σ = 84343560. Its totient is φ = 82757376.

The previous prime is 83548631. The next prime is 83548667. The reversal of 83548649 is 94684538.

It is an interprime number because it is at equal distance from previous prime (83548631) and next prime (83548667).

It can be written as a sum of positive squares in 4 ways, for example, as 12652249 + 70896400 = 3557^2 + 8420^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 83548649 - 2¹² = 83544553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83548669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67367 + ... + 68595.

It is an arithmetic number, because the mean of its divisors is an integer number (10542945).

Almost surely, 2^83548649 is an apocalyptic number.

It is an amenable number.

83548649 is a deficient number, since it is larger than the sum of its proper divisors (794911).

83548649 is a wasteful number, since it uses less digits than its factorization.

83548649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1819.

The product of its digits is 829440, while the sum is 47.

The square root of 83548649 is about 9140.4950084774. The cubic root of 83548649 is about 437.1660999534.

The spelling of 83548649 in words is "eighty-three million, five hundred forty-eight thousand, six hundred forty-nine".