867334049 has 4 divisors (see below), whose sum is σ = 888488580. Its totient is φ = 846179520.

The previous prime is 867334031. The next prime is 867334063. The reversal of 867334049 is 940433768.

It is a happy number.

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 21687649 + 845646400 = 4657^2 + 29080^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-867334049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (867334009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10577204 + ... + 10577285.

It is an arithmetic number, because the mean of its divisors is an integer number (222122145).

Almost surely, 2^867334049 is an apocalyptic number.

It is an amenable number.

867334049 is a deficient number, since it is larger than the sum of its proper divisors (21154531).

867334049 is a wasteful number, since it uses less digits than its factorization.

867334049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21154530.

The product of its (nonzero) digits is 435456, while the sum is 44.

The square root of 867334049 is about 29450.5356318013. The cubic root of 867334049 is about 953.6641681767.

The spelling of 867334049 in words is "eight hundred sixty-seven million, three hundred thirty-four thousand, forty-nine".