2066814 has 24 divisors (see below), whose sum is σ = 4508400. Its totient is φ = 684288.

The previous prime is 2066797. The next prime is 2066833. The reversal of 2066814 is 4186602.

Added to its reverse (4186602) it gives a triangular number (6253416 = T₃₅₃₆).

It is a super-2 number, since 2×2066814² = 8543440221192, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3294 + ... + 3870.

It is an arithmetic number, because the mean of its divisors is an integer number (187850).

2^2066814 is an apocalyptic number.

2066814 is an abundant number, since it is smaller than the sum of its proper divisors (2441586).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2066814 is a wasteful number, since it uses less digits than its factorization.

2066814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 784 (or 781 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 2066814 is about 1437.6418190913. The cubic root of 2066814 is about 127.3797713233.

Adding to 2066814 its reverse (4186602), we get a triangular number (6253416 = T₃₅₃₆).

The spelling of 2066814 in words is "two million, sixty-six thousand, eight hundred fourteen".