3420544 has 16 divisors (see below), whose sum is σ = 6814620. Its totient is φ = 1710208.

The previous prime is 3420533. The next prime is 3420563. The reversal of 3420544 is 4450243.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (16).

It is a hoax number, since the sum of its digits (22) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13234 + ... + 13489.

Almost surely, 2^3420544 is an apocalyptic number.

It is an amenable number.

3420544 is a deficient number, since it is larger than the sum of its proper divisors (3394076).

3420544 is an equidigital number, since it uses as much as digits as its factorization.

3420544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26737 (or 26725 counting only the distinct ones).

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

The square root of 3420544 is about 1849.4712757975. The cubic root of 3420544 is about 150.6717134429.

Adding to 3420544 its reverse (4450243), we get a palindrome (7870787).

The spelling of 3420544 in words is "three million, four hundred twenty thousand, five hundred forty-four".