3398109138 has 16 divisors (see below), whose sum is σ = 7551353760. Its totient is φ = 1132703028.

The previous prime is 3398109137. The next prime is 3398109157. The reversal of 3398109138 is 8319018933.

It is a happy number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 3398109093 and 3398109102.

It is not an unprimeable number, because it can be changed into a prime (3398109137) 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, 31463920 + ... + 31464027.

It is an arithmetic number, because the mean of its divisors is an integer number (471959610).

Almost surely, 2^3398109138 is an apocalyptic number.

3398109138 is an abundant number, since it is smaller than the sum of its proper divisors (4153244622).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3398109138 is a wasteful number, since it uses less digits than its factorization.

3398109138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62927958 (or 62927952 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 45.

The square root of 3398109138 is about 58293.3026856431. The cubic root of 3398109138 is about 1503.4157916738.

The spelling of 3398109138 in words is "three billion, three hundred ninety-eight million, one hundred nine thousand, one hundred thirty-eight".