4644431 has 8 divisors (see below), whose sum is σ = 5128704. Its totient is φ = 4170520.

The previous prime is 4644403. The next prime is 4644433. The reversal of 4644431 is 1344464.

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 4644431 - 2¹⁰ = 4643407 is a prime.

It is a super-2 number, since 2×4644431² = 43141478627522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4644431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4644433) 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, 1631 + ... + 3456.

It is an arithmetic number, because the mean of its divisors is an integer number (641088).

Almost surely, 2^4644431 is an apocalyptic number.

4644431 is a deficient number, since it is larger than the sum of its proper divisors (484273).

4644431 is a wasteful number, since it uses less digits than its factorization.

4644431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5181.

The product of its digits is 4608, while the sum is 26.

The square root of 4644431 is about 2155.0941974772. The cubic root of 4644431 is about 166.8440941610.

Adding to 4644431 its reverse (1344464), we get a palindrome (5988895).

The spelling of 4644431 in words is "four million, six hundred forty-four thousand, four hundred thirty-one".