3397481 has 2 divisors, whose sum is σ = 3397482. Its totient is φ = 3397480.

The previous prime is 3397469. The next prime is 3397483. The reversal of 3397481 is 1847933.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3385600 + 11881 = 1840^2 + 109^2 .

It is an emirp because it is prime and its reverse (1847933) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3397481 - 2¹⁰ = 3396457 is a prime.

It is a super-2 number, since 2×3397481² = 23085754290722, which contains 22 as substring.

Together with 3397483, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (3397483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1698740 + 1698741.

It is an arithmetic number, because the mean of its divisors is an integer number (1698741).

Almost surely, 2^3397481 is an apocalyptic number.

It is an amenable number.

3397481 is a deficient number, since it is larger than the sum of its proper divisors (1).

3397481 is an equidigital number, since it uses as much as digits as its factorization.

3397481 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18144, while the sum is 35.

The square root of 3397481 is about 1843.2257051159. The cubic root of 3397481 is about 150.3323150861.

The spelling of 3397481 in words is "three million, three hundred ninety-seven thousand, four hundred eighty-one".