8261384 has 16 divisors (see below), whose sum is σ = 15610320. Its totient is φ = 4098640.

The previous prime is 8261381. The next prime is 8261399. The reversal of 8261384 is 4831628.

It is a self number, because there is not a number n which added to its sum of digits gives 8261384.

It is not an unprimeable number, because it can be changed into a prime (8261381) 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 3 ways as a sum of consecutive naturals, for example, 2894 + ... + 4989.

It is an arithmetic number, because the mean of its divisors is an integer number (975645).

Almost surely, 2^8261384 is an apocalyptic number.

It is an amenable number.

8261384 is a deficient number, since it is larger than the sum of its proper divisors (7348936).

8261384 is a wasteful number, since it uses less digits than its factorization.

8261384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8020 (or 8016 counting only the distinct ones).

The product of its digits is 9216, while the sum is 32.

The square root of 8261384 is about 2874.2623401492. The cubic root of 8261384 is about 202.1548986714.

The spelling of 8261384 in words is "eight million, two hundred sixty-one thousand, three hundred eighty-four".