2790961 has 4 divisors (see below), whose sum is σ = 2881024. Its totient is φ = 2700900.

The previous prime is 2790943. The next prime is 2790971. The reversal of 2790961 is 1690972.

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 2790961 - 2⁹ = 2790449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2790901) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44985 + ... + 45046.

It is an arithmetic number, because the mean of its divisors is an integer number (720256).

2^2790961 is an apocalyptic number.

It is an amenable number.

2790961 is a deficient number, since it is larger than the sum of its proper divisors (90063).

2790961 is an equidigital number, since it uses as much as digits as its factorization.

2790961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90062.

The product of its (nonzero) digits is 6804, while the sum is 34.

The square root of 2790961 is about 1670.6169519073. The cubic root of 2790961 is about 140.7941432061.

The spelling of 2790961 in words is "two million, seven hundred ninety thousand, nine hundred sixty-one".