4387936 has 48 divisors (see below), whose sum is σ = 10402560. Its totient is φ = 1779840.

The previous prime is 4387931. The next prime is 4387937. The reversal of 4387936 is 6397834.

It is an Ulam number.

It is a d-powerful number, because it can be written as 4¹⁰ + 3¹³ + 8⁵ + 7⁶ + 9² + 3¹³ + 6³ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4387931) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3741 + ... + 4771.

It is an arithmetic number, because the mean of its divisors is an integer number (216720).

Almost surely, 2^4387936 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4387936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5201280).

4387936 is an abundant number, since it is smaller than the sum of its proper divisors (6014624).

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

4387936 is a wasteful number, since it uses less digits than its factorization.

4387936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1067 (or 1059 counting only the distinct ones).

The product of its digits is 108864, while the sum is 40.

The square root of 4387936 is about 2094.7400793416. The cubic root of 4387936 is about 163.7143550408.

The spelling of 4387936 in words is "four million, three hundred eighty-seven thousand, nine hundred thirty-six".