2066319 has 6 divisors (see below), whose sum is σ = 2984696. Its totient is φ = 1377540.

The previous prime is 2066293. The next prime is 2066321. The reversal of 2066319 is 9136602.

It is a happy number.

2066319 is a `hidden beast` number, since 20 + 6 + 631 + 9 = 666.

It is not a de Polignac number, because 2066319 - 2⁵ = 2066287 is a prime.

It is a super-2 number, since 2×2066319² = 8539348419522, which contains 22 as substring.

It is a Duffinian number.

2066319 is a lucky number.

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 2066292 and 2066301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2066329) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 114787 + ... + 114804.

2^2066319 is an apocalyptic number.

2066319 is a deficient number, since it is larger than the sum of its proper divisors (918377).

2066319 is a wasteful number, since it uses less digits than its factorization.

2066319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229597 (or 229594 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 2066319 is about 1437.4696518536. The cubic root of 2066319 is about 127.3696013998.

The spelling of 2066319 in words is "two million, sixty-six thousand, three hundred nineteen".