2003172 has 12 divisors (see below), whose sum is σ = 4674096. Its totient is φ = 667720.

The previous prime is 2003159. The next prime is 2003191. The reversal of 2003172 is 2713002.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-3 number, since 3×2003172³ = 24114373204258033344, which contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83454 + ... + 83477.

It is an arithmetic number, because the mean of its divisors is an integer number (389508).

2^2003172 is an apocalyptic number.

It is an amenable number.

2003172 is an abundant number, since it is smaller than the sum of its proper divisors (2670924).

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

2003172 is a wasteful number, since it uses less digits than its factorization.

2003172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166938 (or 166936 counting only the distinct ones).

The product of its (nonzero) digits is 84, while the sum is 15.

The square root of 2003172 is about 1415.3345894169. The cubic root of 2003172 is about 126.0586776333.

Adding to 2003172 its reverse (2713002), we get a palindrome (4716174).

The spelling of 2003172 in words is "two million, three thousand, one hundred seventy-two".