2628667 has 2 divisors, whose sum is σ = 2628668. Its totient is φ = 2628666.

The previous prime is 2628649. The next prime is 2628679. The reversal of 2628667 is 7668262.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2628667 - 2⁷ = 2628539 is a prime.

It is not a weakly prime, because it can be changed into another prime (2628607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1314333 + 1314334.

It is an arithmetic number, because the mean of its divisors is an integer number (1314334).

2^2628667 is an apocalyptic number.

2628667 is a deficient number, since it is larger than the sum of its proper divisors (1).

2628667 is an equidigital number, since it uses as much as digits as its factorization.

2628667 is an evil number, because the sum of its binary digits is even.

The product of its digits is 48384, while the sum is 37.

The square root of 2628667 is about 1621.3164404273. The cubic root of 2628667 is about 138.0104136929.

The spelling of 2628667 in words is "two million, six hundred twenty-eight thousand, six hundred sixty-seven".