2006761 has 4 divisors (see below), whose sum is σ = 2112400. Its totient is φ = 1901124.

The previous prime is 2006707. The next prime is 2006779. The reversal of 2006761 is 1676002.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2006761 - 2¹¹ = 2004713 is a prime.

It is a super-2 number, since 2×2006761² = 8054179422242, which contains 22 as substring.

It is a Duffinian number.

2006761 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2006791) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52791 + ... + 52828.

It is an arithmetic number, because the mean of its divisors is an integer number (528100).

2^2006761 is an apocalyptic number.

It is an amenable number.

2006761 is a deficient number, since it is larger than the sum of its proper divisors (105639).

2006761 is a wasteful number, since it uses less digits than its factorization.

2006761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105638.

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 2006761 is about 1416.6019200891. The cubic root of 2006761 is about 126.1339174140.

The spelling of 2006761 in words is "two million, six thousand, seven hundred sixty-one".