4944540 has 48 divisors (see below), whose sum is σ = 14450688. Its totient is φ = 1260864.

The previous prime is 4944539. The next prime is 4944547. The reversal of 4944540 is 454494.

4944540 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 4944498 and 4944507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4944547) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 412 + ... + 3171.

It is an arithmetic number, because the mean of its divisors is an integer number (301056).

Almost surely, 2^4944540 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 4944540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7225344).

4944540 is an abundant number, since it is smaller than the sum of its proper divisors (9506148).

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

4944540 is a wasteful number, since it uses less digits than its factorization.

4944540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3618 (or 3616 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 4944540 is about 2223.6321638257. The cubic root of 4944540 is about 170.3630074649.

The spelling of 4944540 in words is "four million, nine hundred forty-four thousand, five hundred forty".