3398447 has 8 divisors (see below), whose sum is σ = 3681216. Its totient is φ = 3118752.

The previous prime is 3398443. The next prime is 3398467. The reversal of 3398447 is 7448933.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3398447 - 2² = 3398443 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3398447.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3398443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1898 + ... + 3224.

It is an arithmetic number, because the mean of its divisors is an integer number (460152).

Almost surely, 2^3398447 is an apocalyptic number.

3398447 is a deficient number, since it is larger than the sum of its proper divisors (282769).

3398447 is a wasteful number, since it uses less digits than its factorization.

3398447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1537.

The product of its digits is 72576, while the sum is 38.

The square root of 3398447 is about 1843.4877271086. The cubic root of 3398447 is about 150.3465616465.

The spelling of 3398447 in words is "three million, three hundred ninety-eight thousand, four hundred forty-seven".