2069647 has 2 divisors, whose sum is σ = 2069648. Its totient is φ = 2069646.

The previous prime is 2069629. The next prime is 2069657. The reversal of 2069647 is 7469602.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2069647 - 2⁷ = 2069519 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2069657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1034823 + 1034824.

It is an arithmetic number, because the mean of its divisors is an integer number (1034824).

2^2069647 is an apocalyptic number.

2069647 is a deficient number, since it is larger than the sum of its proper divisors (1).

2069647 is an equidigital number, since it uses as much as digits as its factorization.

2069647 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 2069647 is about 1438.6267757831. The cubic root of 2069647 is about 127.4379449401.

The spelling of 2069647 in words is "two million, sixty-nine thousand, six hundred forty-seven".