2916889 has 4 divisors (see below), whose sum is σ = 2920320. Its totient is φ = 2913460.

The previous prime is 2916841. The next prime is 2916919. The reversal of 2916889 is 9886192.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2916889 - 2²¹ = 819737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2910889) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 624 + ... + 2494.

It is an arithmetic number, because the mean of its divisors is an integer number (730080).

2^2916889 is an apocalyptic number.

It is an amenable number.

2916889 is a deficient number, since it is larger than the sum of its proper divisors (3431).

2916889 is a wasteful number, since it uses less digits than its factorization.

2916889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3430.

The product of its digits is 62208, while the sum is 43.

The square root of 2916889 is about 1707.8902189544. The cubic root of 2916889 is about 142.8806117157.

It can be divided in two parts, 29168 and 89, that multiplied together give a palindrome (2595952).

The spelling of 2916889 in words is "two million, nine hundred sixteen thousand, eight hundred eighty-nine".