199286901 has 48 divisors (see below), whose sum is σ = 322882560. Its totient is φ = 117430560.

The previous prime is 199286891. The next prime is 199286929. The reversal of 199286901 is 109682991.

199286901 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 199286901 - 2⁹ = 199286389 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (199286401) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 648990 + ... + 649296.

It is an arithmetic number, because the mean of its divisors is an integer number (6726720).

Almost surely, 2^199286901 is an apocalyptic number.

199286901 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

199286901 is a deficient number, since it is larger than the sum of its proper divisors (123595659).

199286901 is a wasteful number, since it uses less digits than its factorization.

199286901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 486 (or 483 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 45.

The square root of 199286901 is about 14116.9012534621. The cubic root of 199286901 is about 584.1076819092.

The spelling of 199286901 in words is "one hundred ninety-nine million, two hundred eighty-six thousand, nine hundred one".