8162449 has 3 divisors (see below), whose sum is σ = 8165307. Its totient is φ = 8159592.

The previous prime is 8162437. The next prime is 8162467. The reversal of 8162449 is 9442618.

The square root of 8162449 is 2857.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 5499025 + 2663424 = 2345^2 + 1632^2 .

It is not a de Polignac number, because 8162449 - 2¹¹ = 8160401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8162489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1429 + ... + 4285.

It is an arithmetic number, because the mean of its divisors is an integer number (2721769).

Almost surely, 2^8162449 is an apocalyptic number.

8162449 is the 2857-th square number.

8162449 is the 1429-th centered octagonal number.

It is an amenable number.

8162449 is a deficient number, since it is larger than the sum of its proper divisors (2858).

8162449 is an frugal number, since it uses more digits than its factorization.

8162449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5714 (or 2857 counting only the distinct ones).

The product of its digits is 13824, while the sum is 34.

The cubic root of 8162449 is about 201.3446805757.

The spelling of 8162449 in words is "eight million, one hundred sixty-two thousand, four hundred forty-nine".