3367421 has 2 divisors, whose sum is σ = 3367422. Its totient is φ = 3367420.

The previous prime is 3367387. The next prime is 3367423. The reversal of 3367421 is 1247633.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3367225 + 196 = 1835^2 + 14^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3367421 is a prime.

It is a super-2 number, since 2×3367421² = 22679048382482, which contains 22 as substring.

Together with 3367423, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3367423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1683710 + 1683711.

It is an arithmetic number, because the mean of its divisors is an integer number (1683711).

Almost surely, 2^3367421 is an apocalyptic number.

It is an amenable number.

3367421 is a deficient number, since it is larger than the sum of its proper divisors (1).

3367421 is an equidigital number, since it uses as much as digits as its factorization.

3367421 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3024, while the sum is 26.

The square root of 3367421 is about 1835.0534052174. The cubic root of 3367421 is about 149.8876343660.

The spelling of 3367421 in words is "three million, three hundred sixty-seven thousand, four hundred twenty-one".