2130766 has 16 divisors (see below), whose sum is σ = 3639168. Its totient is φ = 926200.

The previous prime is 2130757. The next prime is 2130767. The reversal of 2130766 is 6670312.

It is a self number, because there is not a number n which added to its sum of digits gives 2130766.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2130767) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1600 + ... + 2611.

It is an arithmetic number, because the mean of its divisors is an integer number (227448).

2^2130766 is an apocalyptic number.

2130766 is a deficient number, since it is larger than the sum of its proper divisors (1508402).

2130766 is a wasteful number, since it uses less digits than its factorization.

2130766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4247.

The product of its (nonzero) digits is 1512, while the sum is 25.

The square root of 2130766 is about 1459.7143556189. The cubic root of 2130766 is about 128.6802569458.

The spelling of 2130766 in words is "two million, one hundred thirty thousand, seven hundred sixty-six".