8261449 has 6 divisors (see below), whose sum is σ = 9610314. Its totient is φ = 7081200.

The previous prime is 8261443. The next prime is 8261453. The reversal of 8261449 is 9441628.

It can be written as a sum of positive squares in only one way, i.e., 6927424 + 1334025 = 2632^2 + 1155^2 .

It is not a de Polignac number, because 8261449 - 2³ = 8261441 is a prime.

8261449 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (8261441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 84252 + ... + 84349.

It is an arithmetic number, because the mean of its divisors is an integer number (1601719).

Almost surely, 2^8261449 is an apocalyptic number.

It is an amenable number.

8261449 is a deficient number, since it is larger than the sum of its proper divisors (1348865).

8261449 is a wasteful number, since it uses less digits than its factorization.

8261449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168615 (or 168608 counting only the distinct ones).

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

The square root of 8261449 is about 2874.2736473760. The cubic root of 8261449 is about 202.1554288503.

The spelling of 8261449 in words is "eight million, two hundred sixty-one thousand, four hundred forty-nine".