3398281217 has 4 divisors (see below), whose sum is σ = 3398398980. Its totient is φ = 3398163456.

The previous prime is 3398281207. The next prime is 3398281231. The reversal of 3398281217 is 7121828933.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 1121178256 + 2277102961 = 33484^2 + 47719^2 .

It is a cyclic number.

It is not a de Polignac number, because 3398281217 - 2⁸ = 3398280961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3398281207) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17009 + ... + 84177.

It is an arithmetic number, because the mean of its divisors is an integer number (849599745).

Almost surely, 2^3398281217 is an apocalyptic number.

It is an amenable number.

3398281217 is a deficient number, since it is larger than the sum of its proper divisors (117763).

3398281217 is an equidigital number, since it uses as much as digits as its factorization.

3398281217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117762.

The product of its digits is 145152, while the sum is 44.

The square root of 3398281217 is about 58294.7786426881. The cubic root of 3398281217 is about 1503.4411687202.

The spelling of 3398281217 in words is "three billion, three hundred ninety-eight million, two hundred eighty-one thousand, two hundred seventeen".