1908201 has 8 divisors (see below), whose sum is σ = 2613184. Its totient is φ = 1237680.

The previous prime is 1908197. The next prime is 1908209. The reversal of 1908201 is 1028091.

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

It is not a de Polignac number, because 1908201 - 2² = 1908197 is a prime.

It is a super-3 number, since 3×1908201³ = 20844602229166333803, which contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1908209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8485 + ... + 8706.

It is an arithmetic number, because the mean of its divisors is an integer number (326648).

2^1908201 is an apocalyptic number.

It is an amenable number.

1908201 is a deficient number, since it is larger than the sum of its proper divisors (704983).

1908201 is a wasteful number, since it uses less digits than its factorization.

1908201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17231.

The product of its (nonzero) digits is 144, while the sum is 21.

The square root of 1908201 is about 1381.3764874212. The cubic root of 1908201 is about 124.0341780570.

The spelling of 1908201 in words is "one million, nine hundred eight thousand, two hundred one".