1801914 has 8 divisors (see below), whose sum is σ = 3603840. Its totient is φ = 600636.

The previous prime is 1801913. The next prime is 1801927. The reversal of 1801914 is 4191081.

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

1801914 is an admirable number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1801913) 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, 150154 + ... + 150165.

It is an arithmetic number, because the mean of its divisors is an integer number (450480).

2^1801914 is an apocalyptic number.

1801914 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1801914 is a wasteful number, since it uses less digits than its factorization.

1801914 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300324.

The product of its (nonzero) digits is 288, while the sum is 24.

The square root of 1801914 is about 1342.3539026650. The cubic root of 1801914 is about 121.6871406924.

Adding to 1801914 its reverse (4191081), we get a palindrome (5992995).

The spelling of 1801914 in words is "one million, eight hundred one thousand, nine hundred fourteen".