3505198398 has 64 divisors (see below), whose sum is σ = 7755616512. Its totient is φ = 1049495040.

The previous prime is 3505198393. The next prime is 3505198399. The reversal of 3505198398 is 8938915053.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 3505198398.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3505198393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 429718 + ... + 437798.

It is an arithmetic number, because the mean of its divisors is an integer number (121181508).

Almost surely, 2^3505198398 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3505198398, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3877808256).

3505198398 is an abundant number, since it is smaller than the sum of its proper divisors (4250418114).

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

3505198398 is a wasteful number, since it uses less digits than its factorization.

3505198398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8249.

The product of its (nonzero) digits is 1166400, while the sum is 51.

The square root of 3505198398 is about 59204.7160114800. The cubic root of 3505198398 is about 1519.0457997168.

The spelling of 3505198398 in words is "three billion, five hundred five million, one hundred ninety-eight thousand, three hundred ninety-eight".