2989961 has 8 divisors (see below), whose sum is σ = 3247104. Its totient is φ = 2736720.

The previous prime is 2989937. The next prime is 2989963. The reversal of 2989961 is 1699892.

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 2989961 - 2¹⁴ = 2973577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2989963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 746 + ... + 2556.

It is an arithmetic number, because the mean of its divisors is an integer number (405888).

2^2989961 is an apocalyptic number.

It is an amenable number.

2989961 is a deficient number, since it is larger than the sum of its proper divisors (257143).

2989961 is a wasteful number, since it uses less digits than its factorization.

2989961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1951.

The product of its digits is 69984, while the sum is 44.

The square root of 2989961 is about 1729.1503694011. The cubic root of 2989961 is about 144.0639023223.

The spelling of 2989961 in words is "two million, nine hundred eighty-nine thousand, nine hundred sixty-one".