2889931 has 8 divisors (see below), whose sum is σ = 3212784. Its totient is φ = 2577120.

The previous prime is 2889923. The next prime is 2889947. The reversal of 2889931 is 1399882.

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 2889931 - 2³ = 2889923 is a prime.

It is a super-2 number, since 2×2889931² = 16703402369522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2889331) 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, 1896 + ... + 3061.

It is an arithmetic number, because the mean of its divisors is an integer number (401598).

2^2889931 is an apocalyptic number.

2889931 is a deficient number, since it is larger than the sum of its proper divisors (322853).

2889931 is a wasteful number, since it uses less digits than its factorization.

2889931 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5021.

The product of its digits is 31104, while the sum is 40.

The square root of 2889931 is about 1699.9797057612. The cubic root of 2889931 is about 142.4390793251.

The spelling of 2889931 in words is "two million, eight hundred eighty-nine thousand, nine hundred thirty-one".