201698 has 8 divisors (see below), whose sum is σ = 345792. Its totient is φ = 86436.

The previous prime is 201683. The next prime is 201701. The reversal of 201698 is 896102.

201698 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a nialpdrome in base 12.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 201698.

It is an unprimeable number.

201698 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7190 + ... + 7217.

It is an arithmetic number, because the mean of its divisors is an integer number (43224).

2²⁰¹⁶⁹⁸ is an apocalyptic number.

201698 is a deficient number, since it is larger than the sum of its proper divisors (144094).

201698 is a wasteful number, since it uses less digits than its factorization.

201698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14416.

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 201698 is about 449.1080048273. The cubic root of 201698 is about 58.6453880016.

The spelling of 201698 in words is "two hundred one thousand, six hundred ninety-eight".