2782961 has 4 divisors (see below), whose sum is σ = 2790912. Its totient is φ = 2775012.

The previous prime is 2782939. The next prime is 2782973. The reversal of 2782961 is 1692872.

It is a happy number.

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 2782961 - 2¹⁰ = 2781937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2782921) 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 3 ways as a sum of consecutive naturals, for example, 3425 + ... + 4158.

It is an arithmetic number, because the mean of its divisors is an integer number (697728).

2^2782961 is an apocalyptic number.

It is an amenable number.

2782961 is a deficient number, since it is larger than the sum of its proper divisors (7951).

2782961 is an equidigital number, since it uses as much as digits as its factorization.

2782961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7950.

The product of its digits is 12096, while the sum is 35.

The square root of 2782961 is about 1668.2209086329. The cubic root of 2782961 is about 140.6594905358.

The spelling of 2782961 in words is "two million, seven hundred eighty-two thousand, nine hundred sixty-one".