2889145 has 32 divisors (see below), whose sum is σ = 4290048. Its totient is φ = 1824768.

The previous prime is 2889119. The next prime is 2889149. The reversal of 2889145 is 5419882.

2889145 = 533² + 534² + ... + 542².

2889145 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 2889145 - 2⁵ = 2889113 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is not an unprimeable number, because it can be changed into a prime (2889149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29737 + ... + 29833.

It is an arithmetic number, because the mean of its divisors is an integer number (134064).

2^2889145 is an apocalyptic number.

It is an amenable number.

2889145 is a deficient number, since it is larger than the sum of its proper divisors (1400903).

2889145 is a wasteful number, since it uses less digits than its factorization.

2889145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169.

The product of its digits is 23040, while the sum is 37.

The square root of 2889145 is about 1699.7485108098. The cubic root of 2889145 is about 142.4261646836.

The spelling of 2889145 in words is "two million, eight hundred eighty-nine thousand, one hundred forty-five".