2879621 has 8 divisors (see below), whose sum is σ = 3129600. Its totient is φ = 2639520.

The previous prime is 2879609. The next prime is 2879641. The reversal of 2879621 is 1269782.

It is a happy number.

2879621 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 a cyclic number.

It is not a de Polignac number, because 2879621 - 2¹⁰ = 2878597 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2879641) 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, 1856 + ... + 3033.

It is an arithmetic number, because the mean of its divisors is an integer number (391200).

2^2879621 is an apocalyptic number.

It is an amenable number.

2879621 is a deficient number, since it is larger than the sum of its proper divisors (249979).

2879621 is a wasteful number, since it uses less digits than its factorization.

2879621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4939.

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

The square root of 2879621 is about 1696.9446072279. The cubic root of 2879621 is about 142.2694908754.

The spelling of 2879621 in words is "two million, eight hundred seventy-nine thousand, six hundred twenty-one".