2920667 has 4 divisors (see below), whose sum is σ = 2927760. Its totient is φ = 2913576.

The previous prime is 2920649. The next prime is 2920691. The reversal of 2920667 is 7660292.

2920667 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2920667 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2920637) 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, 2888 + ... + 3765.

It is an arithmetic number, because the mean of its divisors is an integer number (731940).

2^2920667 is an apocalyptic number.

2920667 is a deficient number, since it is larger than the sum of its proper divisors (7093).

2920667 is an equidigital number, since it uses as much as digits as its factorization.

2920667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7092.

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 2920667 is about 1708.9959040325. The cubic root of 2920667 is about 142.9422721657.

The spelling of 2920667 in words is "two million, nine hundred twenty thousand, six hundred sixty-seven".