4402431 has 36 divisors (see below), whose sum is σ = 7321704. Its totient is φ = 2624400.

The previous prime is 4402429. The next prime is 4402441. The reversal of 4402431 is 1342044.

It is not a de Polignac number, because 4402431 - 2¹ = 4402429 is a prime.

It is a super-2 number, since 2×4402431² = 38762797419522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4402421) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 72141 + ... + 72201.

Almost surely, 2^4402431 is an apocalyptic number.

4402431 is a deficient number, since it is larger than the sum of its proper divisors (2919273).

4402431 is an frugal number, since it uses more digits than its factorization.

4402431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96 (or 75 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 4402431 is about 2098.1970832122. The cubic root of 4402431 is about 163.8944268975.

Adding to 4402431 its reverse (1342044), we get a palindrome (5744475).

The spelling of 4402431 in words is "four million, four hundred two thousand, four hundred thirty-one".