3421456 has 20 divisors (see below), whose sum is σ = 6661404. Its totient is φ = 1702400.

The previous prime is 3421447. The next prime is 3421499. The reversal of 3421456 is 6541243.

It can be written as a sum of positive squares in 2 ways, for example, as 810000 + 2611456 = 900^2 + 1616^2 .

It is a super-2 number, since 2×3421456² = 23412722319872, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3421456.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4116 + ... + 4876.

Almost surely, 2^3421456 is an apocalyptic number.

It is an amenable number.

3421456 is a deficient number, since it is larger than the sum of its proper divisors (3239948).

3421456 is a wasteful number, since it uses less digits than its factorization.

3421456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1050 (or 1044 counting only the distinct ones).

The product of its digits is 2880, while the sum is 25.

The square root of 3421456 is about 1849.7178163169. The cubic root of 3421456 is about 150.6851031642.

Adding to 3421456 its reverse (6541243), we get a palindrome (9962699).

The spelling of 3421456 in words is "three million, four hundred twenty-one thousand, four hundred fifty-six".