2691238 has 16 divisors (see below), whose sum is σ = 4438800. Its totient is φ = 1213600.

The previous prime is 2691233. The next prime is 2691239. The reversal of 2691238 is 8321962.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2691233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2868 + ... + 3688.

It is an arithmetic number, because the mean of its divisors is an integer number (277425).

2^2691238 is an apocalyptic number.

2691238 is a deficient number, since it is larger than the sum of its proper divisors (1747562).

2691238 is a wasteful number, since it uses less digits than its factorization.

2691238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 983.

The product of its digits is 5184, while the sum is 31.

The square root of 2691238 is about 1640.4993142333. The cubic root of 2691238 is about 139.0968736221.

The spelling of 2691238 in words is "two million, six hundred ninety-one thousand, two hundred thirty-eight".