3421331 has 2 divisors, whose sum is σ = 3421332. Its totient is φ = 3421330.

The previous prime is 3421321. The next prime is 3421373. The reversal of 3421331 is 1331243.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (1331243) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3421331 is a prime.

It is a super-2 number, since 2×3421331² = 23411011623122, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (3421321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1710665 + 1710666.

It is an arithmetic number, because the mean of its divisors is an integer number (1710666).

Almost surely, 2^3421331 is an apocalyptic number.

3421331 is a deficient number, since it is larger than the sum of its proper divisors (1).

3421331 is an equidigital number, since it uses as much as digits as its factorization.

3421331 is an evil number, because the sum of its binary digits is even.

The product of its digits is 216, while the sum is 17.

The square root of 3421331 is about 1849.6840270706. The cubic root of 3421331 is about 150.6832680909.

Adding to 3421331 its reverse (1331243), we get a palindrome (4752574).

The spelling of 3421331 in words is "three million, four hundred twenty-one thousand, three hundred thirty-one".