4243404 has 96 divisors (see below), whose sum is σ = 11999232. Its totient is φ = 1152000.

The previous prime is 4243397. The next prime is 4243409. The reversal of 4243404 is 4043424.

4243404 = T₄₁₇ + T₄₁₈ + ... + T₄₆₀.

It is not an unprimeable number, because it can be changed into a prime (4243409) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 69534 + ... + 69594.

It is an arithmetic number, because the mean of its divisors is an integer number (124992).

Almost surely, 2^4243404 is an apocalyptic number.

4243404 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4243404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5999616).

4243404 is an abundant number, since it is smaller than the sum of its proper divisors (7755828).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4243404 is a wasteful number, since it uses less digits than its factorization.

4243404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127 (or 125 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 21.

The square root of 4243404 is about 2059.9524266351. The cubic root of 4243404 is about 161.8967487164.

Adding to 4243404 its reverse (4043424), we get a palindrome (8286828).

It can be divided in two parts, 424 and 3404, that added together give a triangular number (3828 = T₈₇).

The spelling of 4243404 in words is "four million, two hundred forty-three thousand, four hundred four".