2938689 has 12 divisors (see below), whose sum is σ = 4571476. Its totient is φ = 1808352.

The previous prime is 2938679. The next prime is 2938697. The reversal of 2938689 is 9868392.

2938689 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 1034289 + 1904400 = 1017^2 + 1380^2 .

It is not a de Polignac number, because 2938689 - 2⁷ = 2938561 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2938609) 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 11 ways as a sum of consecutive naturals, for example, 12442 + ... + 12675.

2^2938689 is an apocalyptic number.

It is an amenable number.

2938689 is a deficient number, since it is larger than the sum of its proper divisors (1632787).

2938689 is a wasteful number, since it uses less digits than its factorization.

2938689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25136 (or 25133 counting only the distinct ones).

The product of its digits is 186624, while the sum is 45.

The square root of 2938689 is about 1714.2604819572. The cubic root of 2938689 is about 143.2356783285.

The spelling of 2938689 in words is "two million, nine hundred thirty-eight thousand, six hundred eighty-nine".