198893701 has 4 divisors (see below), whose sum is σ = 198981004. Its totient is φ = 198806400.

The previous prime is 198893699. The next prime is 198893713. The reversal of 198893701 is 107398891.

198893701 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 107398891 = 23 ⋅4669517.

It can be written as a sum of positive squares in 2 ways, for example, as 136072225 + 62821476 = 11665^2 + 7926^2 .

It is a cyclic number.

It is not a de Polignac number, because 198893701 - 2¹ = 198893699 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198893731) 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, 40140 + ... + 44821.

It is an arithmetic number, because the mean of its divisors is an integer number (49745251).

Almost surely, 2^198893701 is an apocalyptic number.

198893701 is the 8920-th centered pentagonal number.

It is an amenable number.

198893701 is a deficient number, since it is larger than the sum of its proper divisors (87303).

198893701 is an equidigital number, since it uses as much as digits as its factorization.

198893701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87302.

The product of its (nonzero) digits is 108864, while the sum is 46.

The square root of 198893701 is about 14102.9678082310. The cubic root of 198893701 is about 583.7232740448.

The spelling of 198893701 in words is "one hundred ninety-eight million, eight hundred ninety-three thousand, seven hundred one".