4349520 has 120 divisors (see below), whose sum is σ = 16713216. Its totient is φ = 993024.

The previous prime is 4349489. The next prime is 4349533. The reversal of 4349520 is 259434.

It is a tau number, because it is divible by the number of its divisors (120).

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, 4609 + ... + 5471.

Almost surely, 2^4349520 is an apocalyptic number.

4349520 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 4349520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8356608).

4349520 is an abundant number, since it is smaller than the sum of its proper divisors (12363696).

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

4349520 is a wasteful number, since it uses less digits than its factorization.

4349520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 889 (or 880 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 4349520 is about 2085.5502870945. The cubic root of 4349520 is about 163.2351856084.

The spelling of 4349520 in words is "four million, three hundred forty-nine thousand, five hundred twenty".