2662881 has 8 divisors (see below), whose sum is σ = 3823680. Its totient is φ = 1638672.

The previous prime is 2662841. The next prime is 2662883. The reversal of 2662881 is 1882662.

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

It is not a de Polignac number, because 2662881 - 2⁷ = 2662753 is a prime.

It is a super-2 number, since 2×2662881² = 14181870440322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2662883) 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, 34101 + ... + 34178.

It is an arithmetic number, because the mean of its divisors is an integer number (477960).

2^2662881 is an apocalyptic number.

It is an amenable number.

2662881 is a deficient number, since it is larger than the sum of its proper divisors (1160799).

2662881 is a wasteful number, since it uses less digits than its factorization.

2662881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68295.

The product of its digits is 9216, while the sum is 33.

The square root of 2662881 is about 1631.8336312259. The cubic root of 2662881 is about 138.6066029267.

The spelling of 2662881 in words is "two million, six hundred sixty-two thousand, eight hundred eighty-one".