2816961 has 12 divisors (see below), whose sum is σ = 4369392. Its totient is φ = 1609608.

The previous prime is 2816953. The next prime is 2816963. The reversal of 2816961 is 1696182.

It is not a de Polignac number, because 2816961 - 2³ = 2816953 is a prime.

It is an Ulam number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2816963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9435 + ... + 9728.

It is an arithmetic number, because the mean of its divisors is an integer number (364116).

2^2816961 is an apocalyptic number.

2816961 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2816961 is a deficient number, since it is larger than the sum of its proper divisors (1552431).

2816961 is a wasteful number, since it uses less digits than its factorization.

2816961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19180 (or 19173 counting only the distinct ones).

The product of its digits is 5184, while the sum is 33.

The square root of 2816961 is about 1678.3804693811. The cubic root of 2816961 is about 141.2299953396.

The spelling of 2816961 in words is "two million, eight hundred sixteen thousand, nine hundred sixty-one".