2404231 has 4 divisors (see below), whose sum is σ = 2409352. Its totient is φ = 2399112.

The previous prime is 2404229. The next prime is 2404247. The reversal of 2404231 is 1324042.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1324042 = 2 ⋅662021.

It is a cyclic number.

It is not a de Polignac number, because 2404231 - 2¹ = 2404229 is a prime.

It is a super-2 number, since 2×2404231² = 11560653402722, which contains 22 as substring.

It is a Duffinian number.

2404231 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2404211) 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, 1776 + ... + 2821.

It is an arithmetic number, because the mean of its divisors is an integer number (602338).

2^2404231 is an apocalyptic number.

2404231 is a deficient number, since it is larger than the sum of its proper divisors (5121).

2404231 is an equidigital number, since it uses as much as digits as its factorization.

2404231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5120.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 2404231 is about 1550.5582865536. The cubic root of 2404231 is about 133.9652207950.

Adding to 2404231 its reverse (1324042), we get a palindrome (3728273).

The spelling of 2404231 in words is "two million, four hundred four thousand, two hundred thirty-one".