2889261 has 12 divisors (see below), whose sum is σ = 4193280. Its totient is φ = 1917000.

The previous prime is 2889251. The next prime is 2889277. The reversal of 2889261 is 1629882.

It is not a de Polignac number, because 2889261 - 2⁹ = 2888749 is a prime.

It is a super-2 number, since 2×2889261² = 16695658252242, which contains 22 as substring.

Its product of digits (13824) is a multiple of the sum of its prime factors (1536).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2889221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1620 + ... + 2898.

It is an arithmetic number, because the mean of its divisors is an integer number (349440).

2^2889261 is an apocalyptic number.

It is an amenable number.

2889261 is a deficient number, since it is larger than the sum of its proper divisors (1304019).

2889261 is a wasteful number, since it uses less digits than its factorization.

2889261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1536 (or 1533 counting only the distinct ones).

The product of its digits is 13824, while the sum is 36.

The square root of 2889261 is about 1699.7826331623. The cubic root of 2889261 is about 142.4280708086.

The spelling of 2889261 in words is "two million, eight hundred eighty-nine thousand, two hundred sixty-one".