838798198 has 16 divisors (see below), whose sum is σ = 1439471520. Its totient is φ = 359102016.

The previous prime is 838798183. The next prime is 838798231. The reversal of 838798198 is 891897838.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18093 + ... + 44776.

It is an arithmetic number, because the mean of its divisors is an integer number (89966970).

Almost surely, 2^838798198 is an apocalyptic number.

838798198 is a deficient number, since it is larger than the sum of its proper divisors (600673322).

838798198 is a wasteful number, since it uses less digits than its factorization.

838798198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63831.

The product of its digits is 6967296, while the sum is 61.

The square root of 838798198 is about 28962.0130170539. The cubic root of 838798198 is about 943.0886024014.

The spelling of 838798198 in words is "eight hundred thirty-eight million, seven hundred ninety-eight thousand, one hundred ninety-eight".