8920667 has 4 divisors (see below), whose sum is σ = 10195056. Its totient is φ = 7646280.

The previous prime is 8920649. The next prime is 8920679. The reversal of 8920667 is 7660298.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7660298 = 2 ⋅3830149.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8920667 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8920667.

It is not an unprimeable number, because it can be changed into a prime (8920687) 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, 637184 + ... + 637197.

It is an arithmetic number, because the mean of its divisors is an integer number (2548764).

Almost surely, 2^8920667 is an apocalyptic number.

8920667 is a deficient number, since it is larger than the sum of its proper divisors (1274389).

8920667 is a wasteful number, since it uses less digits than its factorization.

8920667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1274388.

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 8920667 is about 2986.7485665854. The cubic root of 8920667 is about 207.3953950908.

The spelling of 8920667 in words is "eight million, nine hundred twenty thousand, six hundred sixty-seven".