513837198 has 24 divisors (see below), whose sum is σ = 1272359088. Its totient is φ = 146810592.

The previous prime is 513837193. The next prime is 513837199. The reversal of 513837198 is 891738315.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513837193) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2038911 + ... + 2039162.

It is an arithmetic number, because the mean of its divisors is an integer number (53014962).

Almost surely, 2^513837198 is an apocalyptic number.

513837198 is an abundant number, since it is smaller than the sum of its proper divisors (758521890).

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

513837198 is a wasteful number, since it uses less digits than its factorization.

513837198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4078088 (or 4078085 counting only the distinct ones).

The product of its digits is 181440, while the sum is 45.

The square root of 513837198 is about 22667.9773689670. The cubic root of 513837198 is about 800.9557317247.

The spelling of 513837198 in words is "five hundred thirteen million, eight hundred thirty-seven thousand, one hundred ninety-eight".