1916201 has 8 divisors (see below), whose sum is σ = 2198400. Its totient is φ = 1636128.

The previous prime is 1916183. The next prime is 1916231. The reversal of 1916201 is 1026191.

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

It is a cyclic number.

It is not a de Polignac number, because 1916201 - 2¹⁸ = 1654057 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1916231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2900 + ... + 3498.

It is an arithmetic number, because the mean of its divisors is an integer number (274800).

2^1916201 is an apocalyptic number.

It is an amenable number.

1916201 is a deficient number, since it is larger than the sum of its proper divisors (282199).

1916201 is an equidigital number, since it uses as much as digits as its factorization.

1916201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1063.

The product of its (nonzero) digits is 108, while the sum is 20.

The square root of 1916201 is about 1384.2691212333. The cubic root of 1916201 is about 124.2072712769.

The spelling of 1916201 in words is "one million, nine hundred sixteen thousand, two hundred one".