3421424 has 20 divisors (see below), whose sum is σ = 6784536. Its totient is φ = 1670592.

The previous prime is 3421423. The next prime is 3421433. The reversal of 3421424 is 4241243.

It is a super-2 number, since 2×3421424² = 23412284375552, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3421396 and 3421405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3421423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1799 + ... + 3174.

Almost surely, 2^3421424 is an apocalyptic number.

It is an amenable number.

3421424 is a deficient number, since it is larger than the sum of its proper divisors (3363112).

3421424 is a wasteful number, since it uses less digits than its factorization.

3421424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5024 (or 5018 counting only the distinct ones).

The product of its digits is 768, while the sum is 20.

The square root of 3421424 is about 1849.7091663286. The cubic root of 3421424 is about 150.6846333897.

Adding to 3421424 its reverse (4241243), we get a palindrome (7662667).

The spelling of 3421424 in words is "three million, four hundred twenty-one thousand, four hundred twenty-four".