3543420 has 48 divisors (see below), whose sum is σ = 10069920. Its totient is φ = 930816.

The previous prime is 3543409. The next prime is 3543433. The reversal of 3543420 is 243453.

It is a happy number.

3543420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3976 + ... + 4784.

It is an arithmetic number, because the mean of its divisors is an integer number (209790).

Almost surely, 2^3543420 is an apocalyptic number.

3543420 is a gapful number since it is divisible by the number (30) 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 3543420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5034960).

3543420 is an abundant number, since it is smaller than the sum of its proper divisors (6526500).

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

3543420 is a wasteful number, since it uses less digits than its factorization.

3543420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 894 (or 892 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 21.

The square root of 3543420 is about 1882.3974075630. The cubic root of 3543420 is about 152.4547209478.

Adding to 3543420 its reverse (243453), we get a palindrome (3786873).

The spelling of 3543420 in words is "three million, five hundred forty-three thousand, four hundred twenty".