4549944 has 96 divisors (see below), whose sum is σ = 13666320. Its totient is φ = 1257984.

The previous prime is 4549943. The next prime is 4549957. The reversal of 4549944 is 4499454.

It is an Ulam number.

It is a nialpdrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4549943) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 62292 + ... + 62364.

Almost surely, 2^4549944 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 4549944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6833160).

4549944 is an abundant number, since it is smaller than the sum of its proper divisors (9116376).

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

4549944 is a wasteful number, since it uses less digits than its factorization.

4549944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149 (or 138 counting only the distinct ones).

The product of its digits is 103680, while the sum is 39.

The square root of 4549944 is about 2133.0597741273. The cubic root of 4549944 is about 165.7048998138.

The spelling of 4549944 in words is "four million, five hundred forty-nine thousand, nine hundred forty-four".