4129944 has 128 divisors (see below), whose sum is σ = 13332480. Its totient is φ = 1036800.

The previous prime is 4129943. The next prime is 4129981. The reversal of 4129944 is 4499214.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4129943) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 67674 + ... + 67734.

It is an arithmetic number, because the mean of its divisors is an integer number (104160).

Almost surely, 2^4129944 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 4129944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6666240).

4129944 is an abundant number, since it is smaller than the sum of its proper divisors (9202536).

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

4129944 is a wasteful number, since it uses less digits than its factorization.

4129944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121 (or 117 counting only the distinct ones).

The product of its digits is 10368, while the sum is 33.

The square root of 4129944 is about 2032.2263653442. The cubic root of 4129944 is about 160.4407638469.

The spelling of 4129944 in words is "four million, one hundred twenty-nine thousand, nine hundred forty-four".