2019198392 has 32 divisors (see below), whose sum is σ = 4138024320. Its totient is φ = 919557120.

The previous prime is 2019198319. The next prime is 2019198397. The reversal of 2019198392 is 2938919102.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2019198397) 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, 235253 + ... + 243684.

It is an arithmetic number, because the mean of its divisors is an integer number (129313260).

Almost surely, 2^2019198392 is an apocalyptic number.

It is an amenable number.

2019198392 is an abundant number, since it is smaller than the sum of its proper divisors (2118825928).

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

2019198392 is a wasteful number, since it uses less digits than its factorization.

2019198392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 478991 (or 478987 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 44.

The square root of 2019198392 is about 44935.4914516354. The cubic root of 2019198392 is about 1263.9396285191.

The spelling of 2019198392 in words is "two billion, nineteen million, one hundred ninety-eight thousand, three hundred ninety-two".