3298181 has 2 divisors, whose sum is σ = 3298182. Its totient is φ = 3298180.

The previous prime is 3298151. The next prime is 3298189. The reversal of 3298181 is 1818923.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2280100 + 1018081 = 1510^2 + 1009^2 .

It is an emirp because it is prime and its reverse (1818923) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3298181 - 2⁶ = 3298117 is a prime.

It is a super-2 number, since 2×3298181² = 21755995817522, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3298189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1649090 + 1649091.

It is an arithmetic number, because the mean of its divisors is an integer number (1649091).

Almost surely, 2^3298181 is an apocalyptic number.

It is an amenable number.

3298181 is a deficient number, since it is larger than the sum of its proper divisors (1).

3298181 is an equidigital number, since it uses as much as digits as its factorization.

3298181 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3456, while the sum is 32.

The square root of 3298181 is about 1816.0894801744. The cubic root of 3298181 is about 148.8531953455.

The spelling of 3298181 in words is "three million, two hundred ninety-eight thousand, one hundred eighty-one".