8359949 has 4 divisors (see below), whose sum is σ = 9003036. Its totient is φ = 7716864.

The previous prime is 8359933. The next prime is 8359951. The reversal of 8359949 is 9499538.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3541924 + 4818025 = 1882^2 + 2195^2 .

It is a cyclic number.

It is not a de Polignac number, because 8359949 - 2⁴ = 8359933 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8359919) 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, 321524 + ... + 321549.

It is an arithmetic number, because the mean of its divisors is an integer number (2250759).

Almost surely, 2^8359949 is an apocalyptic number.

It is an amenable number.

8359949 is a deficient number, since it is larger than the sum of its proper divisors (643087).

8359949 is a wasteful number, since it uses less digits than its factorization.

8359949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 643086.

The product of its digits is 349920, while the sum is 47.

The square root of 8359949 is about 2891.3576395873. The cubic root of 8359949 is about 202.9556796155.

The spelling of 8359949 in words is "eight million, three hundred fifty-nine thousand, nine hundred forty-nine".