198152792 has 8 divisors (see below), whose sum is σ = 371536500. Its totient is φ = 99076392.

The previous prime is 198152791. The next prime is 198152807. The reversal of 198152792 is 297251891.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198152791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12384542 + ... + 12384557.

Almost surely, 2^198152792 is an apocalyptic number.

It is an amenable number.

198152792 is a deficient number, since it is larger than the sum of its proper divisors (173383708).

198152792 is a wasteful number, since it uses less digits than its factorization.

198152792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24769105 (or 24769101 counting only the distinct ones).

The product of its digits is 90720, while the sum is 44.

The square root of 198152792 is about 14076.6754597810. The cubic root of 198152792 is about 582.9975531125.

Subtracting 198152792 from its reverse (297251891), we obtain a palindrome (99099099).

The spelling of 198152792 in words is "one hundred ninety-eight million, one hundred fifty-two thousand, seven hundred ninety-two".