3421237 has 2 divisors, whose sum is σ = 3421238. Its totient is φ = 3421236.

The previous prime is 3421219. The next prime is 3421241. The reversal of 3421237 is 7321243.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2852721 + 568516 = 1689^2 + 754^2 .

It is a cyclic number.

It is not a de Polignac number, because 3421237 - 2⁷ = 3421109 is a prime.

It is a super-2 number, since 2×3421237² = 23409725220338, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3421637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1710618 + 1710619.

It is an arithmetic number, because the mean of its divisors is an integer number (1710619).

Almost surely, 2^3421237 is an apocalyptic number.

It is an amenable number.

3421237 is a deficient number, since it is larger than the sum of its proper divisors (1).

3421237 is an equidigital number, since it uses as much as digits as its factorization.

3421237 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1008, while the sum is 22.

The square root of 3421237 is about 1849.6586171507. The cubic root of 3421237 is about 150.6818880863.

The spelling of 3421237 in words is "three million, four hundred twenty-one thousand, two hundred thirty-seven".