2831232 has 64 divisors (see below), whose sum is σ = 7698960. Its totient is φ = 921600.

The previous prime is 2831221. The next prime is 2831237. The reversal of 2831232 is 2321382.

It is a tau number, because it is divible by the number of its divisors (64).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 2831199 and 2831208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2831237) 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, 27982 + ... + 28082.

2^2831232 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 2831232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3849480).

2831232 is an abundant number, since it is smaller than the sum of its proper divisors (4867728).

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

2831232 is a wasteful number, since it uses less digits than its factorization.

2831232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191 (or 179 counting only the distinct ones).

The product of its digits is 576, while the sum is 21.

The square root of 2831232 is about 1682.6265182743. The cubic root of 2831232 is about 141.4680887138.

The spelling of 2831232 in words is "two million, eight hundred thirty-one thousand, two hundred thirty-two".