2691232 has 24 divisors (see below), whose sum is σ = 5443956. Its totient is φ = 1308672.

The previous prime is 2691223. The next prime is 2691233. The reversal of 2691232 is 2321962.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2178576 + 512656 = 1476^2 + 716^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2691197 and 2691206.

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 3 ways as a sum of consecutive naturals, for example, 48 + ... + 2320.

2^2691232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2691232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2721978).

2691232 is an abundant number, since it is smaller than the sum of its proper divisors (2752724).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2691232 is a wasteful number, since it uses less digits than its factorization.

2691232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2320 (or 2312 counting only the distinct ones).

The product of its digits is 1296, while the sum is 25.

The square root of 2691232 is about 1640.4974855208. The cubic root of 2691232 is about 139.0967702518.

It can be divided in two parts, 26912 and 32, that multiplied together give a square (861184 = 928²).

The spelling of 2691232 in words is "two million, six hundred ninety-one thousand, two hundred thirty-two".