3543520 has 24 divisors (see below), whose sum is σ = 8371944. Its totient is φ = 1417344.

The previous prime is 3543511. The next prime is 3543523. The reversal of 3543520 is 253453.

It is a junction number, because it is equal to n+sod(n) for n = 3543491 and 3543500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3543523) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10914 + ... + 11233.

It is an arithmetic number, because the mean of its divisors is an integer number (348831).

Almost surely, 2^3543520 is an apocalyptic number.

It is an amenable number.

3543520 is an abundant number, since it is smaller than the sum of its proper divisors (4828424).

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

3543520 is a wasteful number, since it uses less digits than its factorization.

3543520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22162 (or 22154 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 22.

The square root of 3543520 is about 1882.4239692482. The cubic root of 3543520 is about 152.4561550923.

Adding to 3543520 its reverse (253453), we get a palindrome (3796973).

The spelling of 3543520 in words is "three million, five hundred forty-three thousand, five hundred twenty".