2803231 has 8 divisors (see below), whose sum is σ = 2900160. Its totient is φ = 2707488.

The previous prime is 2803201. The next prime is 2803253. The reversal of 2803231 is 1323082.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2803231 - 2⁷ = 2803103 is a prime.

It is a super-2 number, since 2×2803231² = 15716208078722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2803199 and 2803208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2803201) 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, 8685 + ... + 9001.

It is an arithmetic number, because the mean of its divisors is an integer number (362520).

2^2803231 is an apocalyptic number.

2803231 is a deficient number, since it is larger than the sum of its proper divisors (96929).

2803231 is a wasteful number, since it uses less digits than its factorization.

2803231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 593.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 2803231 is about 1674.2852206240. The cubic root of 2803231 is about 141.0001676641. Note that the first 3 decimals are identical.

The spelling of 2803231 in words is "two million, eight hundred three thousand, two hundred thirty-one".