4249520 has 60 divisors (see below), whose sum is σ = 10884720. Its totient is φ = 1541760.

The previous prime is 4249513. The next prime is 4249523. The reversal of 4249520 is 259424.

It is a self number, because there is not a number n which added to its sum of digits gives 4249520.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4249523) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9461 + ... + 9899.

It is an arithmetic number, because the mean of its divisors is an integer number (181412).

Almost surely, 2^4249520 is an apocalyptic number.

4249520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4249520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5442360).

4249520 is an abundant number, since it is smaller than the sum of its proper divisors (6635200).

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

4249520 is a wasteful number, since it uses less digits than its factorization.

4249520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 474 (or 457 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 4249520 is about 2061.4363924216. The cubic root of 4249520 is about 161.9744917415.

The spelling of 4249520 in words is "four million, two hundred forty-nine thousand, five hundred twenty".