4243396 has 24 divisors (see below), whose sum is σ = 7764120. Its totient is φ = 2026752.

The previous prime is 4243391. The next prime is 4243397. The reversal of 4243396 is 6933424.

It can be written as a sum of positive squares in 4 ways, for example, as 81796 + 4161600 = 286^2 + 2040^2 .

It is a super-2 number, since 2×4243396² = 36012819225632, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4243391) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 18096 + ... + 18328.

It is an arithmetic number, because the mean of its divisors is an integer number (323505).

Almost surely, 2^4243396 is an apocalyptic number.

It is an amenable number.

4243396 is a deficient number, since it is larger than the sum of its proper divisors (3520724).

4243396 is a wasteful number, since it uses less digits than its factorization.

4243396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423 (or 421 counting only the distinct ones).

The product of its digits is 15552, while the sum is 31.

The square root of 4243396 is about 2059.9504848418. The cubic root of 4243396 is about 161.8966469761.

The spelling of 4243396 in words is "four million, two hundred forty-three thousand, three hundred ninety-six".