3704431 has 4 divisors (see below), whose sum is σ = 3832200. Its totient is φ = 3576664.

The previous prime is 3704417. The next prime is 3704443. The reversal of 3704431 is 1344073.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3704431 - 2⁷ = 3704303 is a prime.

It is a super-2 number, since 2×3704431² = 27445618067522, 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 (3704461) 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, 63841 + ... + 63898.

It is an arithmetic number, because the mean of its divisors is an integer number (958050).

Almost surely, 2^3704431 is an apocalyptic number.

3704431 is a deficient number, since it is larger than the sum of its proper divisors (127769).

3704431 is a wasteful number, since it uses less digits than its factorization.

3704431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127768.

The product of its (nonzero) digits is 1008, while the sum is 22.

The square root of 3704431 is about 1924.6898451439. The cubic root of 3704431 is about 154.7297545554.

The spelling of 3704431 in words is "three million, seven hundred four thousand, four hundred thirty-one".