3337021 has 2 divisors, whose sum is σ = 3337022. Its totient is φ = 3337020.

The previous prime is 3337013. The next prime is 3337043. The reversal of 3337021 is 1207333.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1863225 + 1473796 = 1365^2 + 1214^2 .

It is a cyclic number.

It is not a de Polignac number, because 3337021 - 2³ = 3337013 is a prime.

It is a super-2 number, since 2×3337021² = 22271418308882, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3337021.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3337051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1668510 + 1668511.

It is an arithmetic number, because the mean of its divisors is an integer number (1668511).

Almost surely, 2^3337021 is an apocalyptic number.

It is an amenable number.

3337021 is a deficient number, since it is larger than the sum of its proper divisors (1).

3337021 is an equidigital number, since it uses as much as digits as its factorization.

3337021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 378, while the sum is 19.

The square root of 3337021 is about 1826.7514882983. The cubic root of 3337021 is about 149.4352243400.

The spelling of 3337021 in words is "three million, three hundred thirty-seven thousand, twenty-one".