4393936 has 20 divisors (see below), whose sum is σ = 8695872. Its totient is φ = 2149856.

The previous prime is 4393933. The next prime is 4393957. The reversal of 4393936 is 6393934.

It is a junction number, because it is equal to n+sod(n) for n = 4393895 and 4393904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4393933) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2170 + ... + 3673.

Almost surely, 2^4393936 is an apocalyptic number.

It is an amenable number.

4393936 is a deficient number, since it is larger than the sum of its proper divisors (4301936).

4393936 is a wasteful number, since it uses less digits than its factorization.

4393936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5898 (or 5892 counting only the distinct ones).

The product of its digits is 52488, while the sum is 37.

The square root of 4393936 is about 2096.1717486885. The cubic root of 4393936 is about 163.7889412660.

It can be divided in two parts, 4393 and 936, that added together give a square (5329 = 73²).

The spelling of 4393936 in words is "four million, three hundred ninety-three thousand, nine hundred thirty-six".