2069399 has 2 divisors, whose sum is σ = 2069400. Its totient is φ = 2069398.

The previous prime is 2069387. The next prime is 2069413. The reversal of 2069399 is 9939602.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2069399 - 2⁴ = 2069383 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2069329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1034699 + 1034700.

It is an arithmetic number, because the mean of its divisors is an integer number (1034700).

2^2069399 is an apocalyptic number.

2069399 is a deficient number, since it is larger than the sum of its proper divisors (1).

2069399 is an equidigital number, since it uses as much as digits as its factorization.

2069399 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 26244, while the sum is 38.

The square root of 2069399 is about 1438.5405798934. The cubic root of 2069399 is about 127.4328545595.

The spelling of 2069399 in words is "two million, sixty-nine thousand, three hundred ninety-nine".