2659971 has 8 divisors (see below), whose sum is σ = 3554320. Its totient is φ = 1769472.

The previous prime is 2659963. The next prime is 2659999. The reversal of 2659971 is 1799562.

2659971 is a nontrivial binomial coefficient, being equal to C(2307, 2).

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

It is not a de Polignac number, because 2659971 - 2³ = 2659963 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 (2659931) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1731 + ... + 2883.

It is an arithmetic number, because the mean of its divisors is an integer number (444290).

2^2659971 is an apocalyptic number.

2659971 is the 2306-th triangular number.

2659971 is a deficient number, since it is larger than the sum of its proper divisors (894349).

2659971 is a wasteful number, since it uses less digits than its factorization.

2659971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1925.

The product of its digits is 34020, while the sum is 39.

The square root of 2659971 is about 1630.9417524854. The cubic root of 2659971 is about 138.5560946953.

The spelling of 2659971 in words is "two million, six hundred fifty-nine thousand, nine hundred seventy-one".