8356449 has 4 divisors (see below), whose sum is σ = 11141936. Its totient is φ = 5570964.

The previous prime is 8356423. The next prime is 8356489. The reversal of 8356449 is 9446538.

8356449 is digitally balanced in base 3 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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 not a de Polignac number, because 8356449 - 2⁵ = 8356417 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8356489) 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, 1392739 + ... + 1392744.

It is an arithmetic number, because the mean of its divisors is an integer number (2785484).

Almost surely, 2^8356449 is an apocalyptic number.

It is an amenable number.

8356449 is a deficient number, since it is larger than the sum of its proper divisors (2785487).

8356449 is a wasteful number, since it uses less digits than its factorization.

8356449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2785486.

The product of its digits is 103680, while the sum is 39.

The square root of 8356449 is about 2890.7523242229. The cubic root of 8356449 is about 202.9273523282.

The spelling of 8356449 in words is "eight million, three hundred fifty-six thousand, four hundred forty-nine".