3437321 has 2 divisors, whose sum is σ = 3437322. Its totient is φ = 3437320.

The previous prime is 3437299. The next prime is 3437339. The reversal of 3437321 is 1237343.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3222025 + 215296 = 1795^2 + 464^2 .

It is a cyclic number.

It is not a de Polignac number, because 3437321 - 2⁶ = 3437257 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (3437381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1718660 + 1718661.

It is an arithmetic number, because the mean of its divisors is an integer number (1718661).

Almost surely, 2^3437321 is an apocalyptic number.

It is an amenable number.

3437321 is a deficient number, since it is larger than the sum of its proper divisors (1).

3437321 is an equidigital number, since it uses as much as digits as its factorization.

3437321 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1512, while the sum is 23.

The square root of 3437321 is about 1854.0013484353. The cubic root of 3437321 is about 150.9176487645.

The spelling of 3437321 in words is "three million, four hundred thirty-seven thousand, three hundred twenty-one".