2066377 has 4 divisors (see below), whose sum is σ = 2069380. Its totient is φ = 2063376.

The previous prime is 2066329. The next prime is 2066399. The reversal of 2066377 is 7736602.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 1190281 + 876096 = 1091^2 + 936^2 .

It is a cyclic number.

It is not a de Polignac number, because 2066377 - 2⁷ = 2066249 is a prime.

It is a super-2 number, since 2×2066377² = 8539827812258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2066177) 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 in 3 ways as a sum of consecutive naturals, for example, 103 + ... + 2035.

It is an arithmetic number, because the mean of its divisors is an integer number (517345).

2^2066377 is an apocalyptic number.

It is an amenable number.

2066377 is a deficient number, since it is larger than the sum of its proper divisors (3003).

2066377 is a wasteful number, since it uses less digits than its factorization.

2066377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3002.

The product of its (nonzero) digits is 10584, while the sum is 31.

The square root of 2066377 is about 1437.4898260510. The cubic root of 2066377 is about 127.3707931112.

The spelling of 2066377 in words is "two million, sixty-six thousand, three hundred seventy-seven".