1940001 has 8 divisors (see below), whose sum is σ = 2956224. Its totient is φ = 1108560.

The previous prime is 1939999. The next prime is 1940041. The reversal of 1940001 is 1000491.

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

It is not a de Polignac number, because 1940001 - 2¹ = 1939999 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1940041) 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, 46170 + ... + 46211.

It is an arithmetic number, because the mean of its divisors is an integer number (369528).

2^1940001 is an apocalyptic number.

It is an amenable number.

1940001 is a deficient number, since it is larger than the sum of its proper divisors (1016223).

1940001 is an equidigital number, since it uses as much as digits as its factorization.

1940001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92391.

The product of its (nonzero) digits is 36, while the sum is 15.

The square root of 1940001 is about 1392.8391866974. The cubic root of 1940001 is about 124.7193918774.

Adding to 1940001 its reverse (1000491), we get a palindrome (2940492).

The spelling of 1940001 in words is "one million, nine hundred forty thousand, one".