82008449 has 4 divisors (see below), whose sum is σ = 82118400. Its totient is φ = 81898500.

The previous prime is 82008431. The next prime is 82008457. The reversal of 82008449 is 94480028.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-82008449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82008499) 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, 53849 + ... + 55350.

It is an arithmetic number, because the mean of its divisors is an integer number (20529600).

Almost surely, 2^82008449 is an apocalyptic number.

It is an amenable number.

82008449 is a deficient number, since it is larger than the sum of its proper divisors (109951).

82008449 is a wasteful number, since it uses less digits than its factorization.

82008449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109950.

The product of its (nonzero) digits is 18432, while the sum is 35.

The square root of 82008449 is about 9055.8516441028. The cubic root of 82008449 is about 434.4630694157.

The spelling of 82008449 in words is "eighty-two million, eight thousand, four hundred forty-nine".