4537944 has 80 divisors (see below), whose sum is σ = 13068000. Its totient is φ = 1470528.

The previous prime is 4537937. The next prime is 4537961. The reversal of 4537944 is 4497354.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a d-powerful number, because it can be written as 4² + 5⁹ + 3¹¹ + 7⁷ + 9⁶ + 4⁶ + 4¹⁰ .

It is a junction number, because it is equal to n+sod(n) for n = 4537899 and 4537908.

It is a congruent number.

It is an unprimeable number.

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 19 ways as a sum of consecutive naturals, for example, 30382 + ... + 30530.

It is an arithmetic number, because the mean of its divisors is an integer number (163350).

Almost surely, 2^4537944 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 4537944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6534000).

4537944 is an abundant number, since it is smaller than the sum of its proper divisors (8530056).

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

4537944 is a wasteful number, since it uses less digits than its factorization.

4537944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214 (or 201 counting only the distinct ones).

The product of its digits is 60480, while the sum is 36.

The square root of 4537944 is about 2130.2450563257. The cubic root of 4537944 is about 165.5590951269.

The spelling of 4537944 in words is "four million, five hundred thirty-seven thousand, nine hundred forty-four".