2801766 has 16 divisors (see below), whose sum is σ = 6113088. Its totient is φ = 849000.

The previous prime is 2801741. The next prime is 2801767. The reversal of 2801766 is 6671082.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2801767) 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, 21160 + ... + 21291.

It is an arithmetic number, because the mean of its divisors is an integer number (382068).

2^2801766 is an apocalyptic number.

2801766 is an abundant number, since it is smaller than the sum of its proper divisors (3311322).

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

2801766 is a wasteful number, since it uses less digits than its factorization.

2801766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42467.

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 2801766 is about 1673.8476633195. The cubic root of 2801766 is about 140.9756006269.

The spelling of 2801766 in words is "two million, eight hundred one thousand, seven hundred sixty-six".