198799701 has 4 divisors (see below), whose sum is σ = 265066272. Its totient is φ = 132533132.

The previous prime is 198799697. The next prime is 198799703. The reversal of 198799701 is 107997891.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 198799701 - 2² = 198799697 is a prime.

It is a super-2 number, since 2×198799701² = 79042642235378802, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198799703) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33133281 + ... + 33133286.

It is an arithmetic number, because the mean of its divisors is an integer number (66266568).

Almost surely, 2^198799701 is an apocalyptic number.

It is an amenable number.

198799701 is a deficient number, since it is larger than the sum of its proper divisors (66266571).

198799701 is an equidigital number, since it uses as much as digits as its factorization.

198799701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66266570.

The product of its (nonzero) digits is 285768, while the sum is 51.

The square root of 198799701 is about 14099.6347825041. The cubic root of 198799701 is about 583.6313009056.

The spelling of 198799701 in words is "one hundred ninety-eight million, seven hundred ninety-nine thousand, seven hundred one".