3481520 has 40 divisors (see below), whose sum is σ = 9252384. Its totient is φ = 1193472.

The previous prime is 3481519. The next prime is 3481529. The reversal of 3481520 is 251843.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (3481529) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2549 + ... + 3668.

Almost surely, 2^3481520 is an apocalyptic number.

It is an amenable number.

3481520 is an abundant number, since it is smaller than the sum of its proper divisors (5770864).

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

3481520 is a wasteful number, since it uses less digits than its factorization.

3481520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6237 (or 6231 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 3481520 is about 1865.8831689042. The cubic root of 3481520 is about 151.5617570729.

The spelling of 3481520 in words is "three million, four hundred eighty-one thousand, five hundred twenty".