4919544 has 96 divisors (see below), whose sum is σ = 15649920. Its totient is φ = 1366848.

The previous prime is 4919527. The next prime is 4919561. The reversal of 4919544 is 4459194.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (4919527) and next prime (4919561).

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

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 4919499 and 4919508.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21559 + ... + 21785.

It is an arithmetic number, because the mean of its divisors is an integer number (163020).

Almost surely, 2^4919544 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 4919544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7824960).

4919544 is an abundant number, since it is smaller than the sum of its proper divisors (10730376).

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

4919544 is a wasteful number, since it uses less digits than its factorization.

4919544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289 (or 282 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 4919544 is about 2218.0045085617. The cubic root of 4919544 is about 170.0754451749.

The spelling of 4919544 in words is "four million, nine hundred nineteen thousand, five hundred forty-four".