2279661 has 8 divisors (see below), whose sum is σ = 3144480. Its totient is φ = 1467312.

The previous prime is 2279657. The next prime is 2279663. The reversal of 2279661 is 1669722.

2279661 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2279661 - 2² = 2279657 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2279663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13015 + ... + 13188.

It is an arithmetic number, because the mean of its divisors is an integer number (393060).

2^2279661 is an apocalyptic number.

It is an amenable number.

2279661 is a deficient number, since it is larger than the sum of its proper divisors (864819).

2279661 is a wasteful number, since it uses less digits than its factorization.

2279661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26235.

The product of its digits is 9072, while the sum is 33.

The square root of 2279661 is about 1509.8546287640. The cubic root of 2279661 is about 131.6103638638.

The spelling of 2279661 in words is "two million, two hundred seventy-nine thousand, six hundred sixty-one".