2001392 has 20 divisors (see below), whose sum is σ = 3969240. Its totient is φ = 977088.

The previous prime is 2001371. The next prime is 2001397. The reversal of 2001392 is 2931002.

It is a self number, because there is not a number n which added to its sum of digits gives 2001392.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2001397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 767 + ... + 2142.

It is an arithmetic number, because the mean of its divisors is an integer number (198462).

2^2001392 is an apocalyptic number.

It is an amenable number.

2001392 is a deficient number, since it is larger than the sum of its proper divisors (1967848).

2001392 is a wasteful number, since it uses less digits than its factorization.

2001392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2960 (or 2954 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 2001392 is about 1414.7056230891. The cubic root of 2001392 is about 126.0213283791.

Adding to 2001392 its reverse (2931002), we get a palindrome (4932394).

The spelling of 2001392 in words is "two million, one thousand, three hundred ninety-two".