2679961 has 4 divisors (see below), whose sum is σ = 2685952. Its totient is φ = 2673972.

The previous prime is 2679959. The next prime is 2679967. The reversal of 2679961 is 1699762.

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 2679961 - 2¹ = 2679959 is a prime.

It is a Duffinian number.

2679961 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2679967) 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, 2265 + ... + 3238.

It is an arithmetic number, because the mean of its divisors is an integer number (671488).

2^2679961 is an apocalyptic number.

It is an amenable number.

2679961 is a deficient number, since it is larger than the sum of its proper divisors (5991).

2679961 is an equidigital number, since it uses as much as digits as its factorization.

2679961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5990.

The product of its digits is 40824, while the sum is 40.

The square root of 2679961 is about 1637.0586428103. The cubic root of 2679961 is about 138.9023173742.

The spelling of 2679961 in words is "two million, six hundred seventy-nine thousand, nine hundred sixty-one".