2629889 has 4 divisors (see below), whose sum is σ = 2744256. Its totient is φ = 2515524.

The previous prime is 2629877. The next prime is 2629897. The reversal of 2629889 is 9889262.

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 an emirpimes, since its reverse is a distinct semiprime: 9889262 = 2 ⋅4944631.

It is a cyclic number.

It is not a de Polignac number, because 2629889 - 2⁴ = 2629873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2629829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57149 + ... + 57194.

It is an arithmetic number, because the mean of its divisors is an integer number (686064).

2^2629889 is an apocalyptic number.

It is an amenable number.

2629889 is a deficient number, since it is larger than the sum of its proper divisors (114367).

2629889 is a wasteful number, since it uses less digits than its factorization.

2629889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114366.

The product of its digits is 124416, while the sum is 44.

The square root of 2629889 is about 1621.6932508955. The cubic root of 2629889 is about 138.0317962160.

The spelling of 2629889 in words is "two million, six hundred twenty-nine thousand, eight hundred eighty-nine".