2928889 has 4 divisors (see below), whose sum is σ = 3056256. Its totient is φ = 2801524.

The previous prime is 2928881. The next prime is 2928929. The reversal of 2928889 is 9888292.

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.

It is a cyclic number.

It is not a de Polignac number, because 2928889 - 2³ = 2928881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2928881) 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, 63649 + ... + 63694.

It is an arithmetic number, because the mean of its divisors is an integer number (764064).

2^2928889 is an apocalyptic number.

It is an amenable number.

2928889 is a deficient number, since it is larger than the sum of its proper divisors (127367).

2928889 is a wasteful number, since it uses less digits than its factorization.

2928889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127366.

The product of its digits is 165888, while the sum is 46.

The square root of 2928889 is about 1711.3997195278. The cubic root of 2928889 is about 143.0762792542.

The spelling of 2928889 in words is "two million, nine hundred twenty-eight thousand, eight hundred eighty-nine".