1001338 has 16 divisors (see below), whose sum is σ = 1703520. Its totient is φ = 437616.

The previous prime is 1001327. The next prime is 1001347. The reversal of 1001338 is 8331001.

It is an unprimeable number.

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, 520 + ... + 1507.

It is an arithmetic number, because the mean of its divisors is an integer number (106470).

2^1001338 is an apocalyptic number.

1001338 is a deficient number, since it is larger than the sum of its proper divisors (702182).

1001338 is a wasteful number, since it uses less digits than its factorization.

1001338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2061.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 1001338 is about 1000.6687763691. The cubic root of 1001338 is about 100.0445801232.

Adding to 1001338 its reverse (8331001), we get a palindrome (9332339).

The spelling of 1001338 in words is "one million, one thousand, three hundred thirty-eight".