3398491 has 2 divisors, whose sum is σ = 3398492. Its totient is φ = 3398490.

The previous prime is 3398489. The next prime is 3398497. The reversal of 3398491 is 1948933.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3398491 - 2¹ = 3398489 is a prime.

Together with 3398489, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 3398491.

It is not a weakly prime, because it can be changed into another prime (3398497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1699245 + 1699246.

It is an arithmetic number, because the mean of its divisors is an integer number (1699246).

Almost surely, 2^3398491 is an apocalyptic number.

3398491 is a deficient number, since it is larger than the sum of its proper divisors (1).

3398491 is an equidigital number, since it uses as much as digits as its factorization.

3398491 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23328, while the sum is 37.

The square root of 3398491 is about 1843.4996609709. The cubic root of 3398491 is about 150.3472104938.

The spelling of 3398491 in words is "three million, three hundred ninety-eight thousand, four hundred ninety-one".