3421633 has 2 divisors, whose sum is σ = 3421634. Its totient is φ = 3421632.

The previous prime is 3421631. The next prime is 3421637. The reversal of 3421633 is 3361243.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1803649 + 1617984 = 1343^2 + 1272^2 .

It is a cyclic number.

It is not a de Polignac number, because 3421633 - 2¹ = 3421631 is a prime.

Together with 3421631, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (3421631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1710816 + 1710817.

It is an arithmetic number, because the mean of its divisors is an integer number (1710817).

Almost surely, 2^3421633 is an apocalyptic number.

It is an amenable number.

3421633 is a deficient number, since it is larger than the sum of its proper divisors (1).

3421633 is an equidigital number, since it uses as much as digits as its factorization.

3421633 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1296, while the sum is 22.

The square root of 3421633 is about 1849.7656608338. The cubic root of 3421633 is about 150.6877015514.

Adding to 3421633 its reverse (3361243), we get a palindrome (6782876).

The spelling of 3421633 in words is "three million, four hundred twenty-one thousand, six hundred thirty-three".