3415421 has 6 divisors (see below), whose sum is σ = 3605022. Its totient is φ = 3235320.

The previous prime is 3415409. The next prime is 3415427. The reversal of 3415421 is 1245143.

It can be written as a sum of positive squares in only one way, i.e., 3189796 + 225625 = 1786^2 + 475^2 .

It is a de Polignac number, because none of the positive numbers 2^k-3415421 is a prime.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 3415393 and 3415402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3415427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4370 + ... + 5091.

It is an arithmetic number, because the mean of its divisors is an integer number (600837).

Almost surely, 2^3415421 is an apocalyptic number.

It is an amenable number.

3415421 is a deficient number, since it is larger than the sum of its proper divisors (189601).

3415421 is an equidigital number, since it uses as much as digits as its factorization.

3415421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9499 (or 9480 counting only the distinct ones).

The product of its digits is 480, while the sum is 20.

The square root of 3415421 is about 1848.0857664080. The cubic root of 3415421 is about 150.5964547641.

The spelling of 3415421 in words is "three million, four hundred fifteen thousand, four hundred twenty-one".