2959881 has 8 divisors (see below), whose sum is σ = 3954720. Its totient is φ = 1969152.

The previous prime is 2959867. The next prime is 2959937. The reversal of 2959881 is 1889592.

It is a happy number.

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

It is not a de Polignac number, because 2959881 - 2⁷ = 2959753 is a prime.

It is a super-2 number, since 2×2959881² = 17521791068322, which contains 22 as substring.

2959881 is a lucky number.

It is a zygodrome in base 9.

It is not an unprimeable number, because it can be changed into a prime (2959841) 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, 1666 + ... + 2948.

It is an arithmetic number, because the mean of its divisors is an integer number (494340).

2^2959881 is an apocalyptic number.

It is an amenable number.

2959881 is a deficient number, since it is larger than the sum of its proper divisors (994839).

2959881 is a wasteful number, since it uses less digits than its factorization.

2959881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2055.

The product of its digits is 51840, while the sum is 42.

The square root of 2959881 is about 1720.4304693884. The cubic root of 2959881 is about 143.5791628997.

The spelling of 2959881 in words is "two million, nine hundred fifty-nine thousand, eight hundred eighty-one".