2132866 has 4 divisors (see below), whose sum is σ = 3199302. Its totient is φ = 1066432.

The previous prime is 2132857. The next prime is 2132881. The reversal of 2132866 is 6682312.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1635841 + 497025 = 1279^2 + 705^2 .

It is a super-3 number, since 3×2132866³ = 29107973330760113688, which contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 533215 + ... + 533218.

2^2132866 is an apocalyptic number.

2132866 is a deficient number, since it is larger than the sum of its proper divisors (1066436).

2132866 is a wasteful number, since it uses less digits than its factorization.

2132866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1066435.

The product of its digits is 3456, while the sum is 28.

The square root of 2132866 is about 1460.4334972877. The cubic root of 2132866 is about 128.7225171490.

The spelling of 2132866 in words is "two million, one hundred thirty-two thousand, eight hundred sixty-six".