3204431 has 4 divisors (see below), whose sum is σ = 3208872. Its totient is φ = 3199992.

The previous prime is 3204419. The next prime is 3204451. The reversal of 3204431 is 1344023.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1344023 = 281 ⋅4783.

It is a cyclic number.

It is not a de Polignac number, because 3204431 - 2¹⁰ = 3203407 is a prime.

It is a super-2 number, since 2×3204431² = 20536756067522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3204401) 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, 860 + ... + 2673.

It is an arithmetic number, because the mean of its divisors is an integer number (802218).

Almost surely, 2^3204431 is an apocalyptic number.

3204431 is a deficient number, since it is larger than the sum of its proper divisors (4441).

3204431 is an equidigital number, since it uses as much as digits as its factorization.

3204431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4440.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 3204431 is about 1790.0924557128. The cubic root of 3204431 is about 147.4292450075.

Adding to 3204431 its reverse (1344023), we get a palindrome (4548454).

The spelling of 3204431 in words is "three million, two hundred four thousand, four hundred thirty-one".