4431404 has 6 divisors (see below), whose sum is σ = 7754964. Its totient is φ = 2215700.

The previous prime is 4431367. The next prime is 4431443. The reversal of 4431404 is 4041344.

It is a super-2 number, since 2×4431404² = 39274682822432, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 553922 + ... + 553929.

It is an arithmetic number, because the mean of its divisors is an integer number (1292494).

Almost surely, 2^4431404 is an apocalyptic number.

It is an amenable number.

4431404 is a deficient number, since it is larger than the sum of its proper divisors (3323560).

4431404 is a wasteful number, since it uses less digits than its factorization.

4431404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1107855 (or 1107853 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 4431404 is about 2105.0900218280. The cubic root of 4431404 is about 164.2531782539.

Adding to 4431404 its reverse (4041344), we get a palindrome (8472748).

The spelling of 4431404 in words is "four million, four hundred thirty-one thousand, four hundred four".