3544420 has 24 divisors (see below), whose sum is σ = 8120448. Its totient is φ = 1288800.

The previous prime is 3544357. The next prime is 3544427. The reversal of 3544420 is 244453.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 3544391 and 3544400.

It is not an unprimeable number, because it can be changed into a prime (3544427) 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, 7836 + ... + 8275.

It is an arithmetic number, because the mean of its divisors is an integer number (338352).

Almost surely, 2^3544420 is an apocalyptic number.

It is an amenable number.

3544420 is an abundant number, since it is smaller than the sum of its proper divisors (4576028).

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

3544420 is a wasteful number, since it uses less digits than its factorization.

3544420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16131 (or 16129 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 22.

The square root of 3544420 is about 1882.6630075507. The cubic root of 3544420 is about 152.4690611786.

Adding to 3544420 its reverse (244453), we get a palindrome (3788873).

It can be divided in two parts, 354 and 4420, that added together give a palindrome (4774).

The spelling of 3544420 in words is "three million, five hundred forty-four thousand, four hundred twenty".