3321456 has 20 divisors (see below), whose sum is σ = 8580552. Its totient is φ = 1107136.

The previous prime is 3321421. The next prime is 3321467. The reversal of 3321456 is 6541233.

It is a happy number.

3321456 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×3321456² = 22064139919872, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

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 3 ways as a sum of consecutive naturals, for example, 34551 + ... + 34646.

Almost surely, 2^3321456 is an apocalyptic number.

It is an amenable number.

3321456 is an abundant number, since it is smaller than the sum of its proper divisors (5259096).

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

3321456 is a wasteful number, since it uses less digits than its factorization.

3321456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69208 (or 69202 counting only the distinct ones).

The product of its digits is 2160, while the sum is 24.

The square root of 3321456 is about 1822.4862139396. The cubic root of 3321456 is about 149.2025232750.

Adding to 3321456 its reverse (6541233), we get a palindrome (9862689).

The spelling of 3321456 in words is "three million, three hundred twenty-one thousand, four hundred fifty-six".