192989798 has 4 divisors (see below), whose sum is σ = 289484700. Its totient is φ = 96494898.

The previous prime is 192989791. The next prime is 192989807. The reversal of 192989798 is 897989291.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 192989798.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (192989791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48247448 + ... + 48247451.

It is an arithmetic number, because the mean of its divisors is an integer number (72371175).

Almost surely, 2^192989798 is an apocalyptic number.

192989798 is a deficient number, since it is larger than the sum of its proper divisors (96494902).

192989798 is an equidigital number, since it uses as much as digits as its factorization.

192989798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96494901.

The product of its digits is 5878656, while the sum is 62.

The square root of 192989798 is about 13892.0768065830. The cubic root of 192989798 is about 577.8894737239.

The spelling of 192989798 in words is "one hundred ninety-two million, nine hundred eighty-nine thousand, seven hundred ninety-eight".