538198395 has 16 divisors (see below), whose sum is σ = 984134400. Its totient is φ = 246033504.

The previous prime is 538198391. The next prime is 538198417. The reversal of 538198395 is 593891835.

It is not a de Polignac number, because 538198395 - 2² = 538198391 is a prime.

It is not an unprimeable number, because it can be changed into a prime (538198391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2562745 + ... + 2562954.

It is an arithmetic number, because the mean of its divisors is an integer number (61508400).

Almost surely, 2^538198395 is an apocalyptic number.

538198395 is a deficient number, since it is larger than the sum of its proper divisors (445936005).

538198395 is a wasteful number, since it uses less digits than its factorization.

538198395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5125714.

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

The square root of 538198395 is about 23199.1033231890. The cubic root of 538198395 is about 813.4186633166.

The spelling of 538198395 in words is "five hundred thirty-eight million, one hundred ninety-eight thousand, three hundred ninety-five".