1001946 has 64 divisors (see below), whose sum is σ = 2488320. Its totient is φ = 264960.

The previous prime is 1001941. The next prime is 1001947. The reversal of 1001946 is 6491001.

It is not an unprimeable number, because it can be changed into a prime (1001941) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21295 + ... + 21341.

It is an arithmetic number, because the mean of its divisors is an integer number (38880).

2^1001946 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1001946, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1244160).

1001946 is an abundant number, since it is smaller than the sum of its proper divisors (1486374).

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

1001946 is a wasteful number, since it uses less digits than its factorization.

1001946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99.

The product of its (nonzero) digits is 216, while the sum is 21.

The square root of 1001946 is about 1000.9725270955. The cubic root of 1001946 is about 100.0648246353.

Adding to 1001946 its reverse (6491001), we get a palindrome (7492947).

The spelling of 1001946 in words is "one million, one thousand, nine hundred forty-six".