4643431 has 8 divisors (see below), whose sum is σ = 5295024. Its totient is φ = 4033920.

The previous prime is 4643417. The next prime is 4643437. The reversal of 4643431 is 1343464.

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 a de Polignac number, because none of the positive numbers 2^k-4643431 is a prime.

It is a super-2 number, since 2×4643431² = 43122902903522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4643396 and 4643405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4643437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10285 + ... + 10726.

It is an arithmetic number, because the mean of its divisors is an integer number (661878).

Almost surely, 2^4643431 is an apocalyptic number.

4643431 is a deficient number, since it is larger than the sum of its proper divisors (651593).

4643431 is a wasteful number, since it uses less digits than its factorization.

4643431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21041.

The product of its digits is 3456, while the sum is 25.

The square root of 4643431 is about 2154.8621765672. The cubic root of 4643431 is about 166.8321188103.

Adding to 4643431 its reverse (1343464), we get a palindrome (5986895).

The spelling of 4643431 in words is "four million, six hundred forty-three thousand, four hundred thirty-one".