4393426 has 4 divisors (see below), whose sum is σ = 6590142. Its totient is φ = 2196712.

The previous prime is 4393423. The next prime is 4393447. The reversal of 4393426 is 6243934.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2706025 + 1687401 = 1645^2 + 1299^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (4393423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1098355 + ... + 1098358.

Almost surely, 2^4393426 is an apocalyptic number.

4393426 is a deficient number, since it is larger than the sum of its proper divisors (2196716).

4393426 is a wasteful number, since it uses less digits than its factorization.

4393426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2196715.

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

The square root of 4393426 is about 2096.0500948212. The cubic root of 4393426 is about 163.7826040783.

The spelling of 4393426 in words is "four million, three hundred ninety-three thousand, four hundred twenty-six".