2801966 has 16 divisors (see below), whose sum is σ = 4443648. Its totient is φ = 1323000.

The previous prime is 2801941. The next prime is 2801971. The reversal of 2801966 is 6691082.

It is an Ulam number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2141 + ... + 3191.

It is an arithmetic number, because the mean of its divisors is an integer number (277728).

2^2801966 is an apocalyptic number.

2801966 is a deficient number, since it is larger than the sum of its proper divisors (1641682).

2801966 is a wasteful number, since it uses less digits than its factorization.

2801966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1127.

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 2801966 is about 1673.9074048465. The cubic root of 2801966 is about 140.9789549933.

The spelling of 2801966 in words is "two million, eight hundred one thousand, nine hundred sixty-six".