2002437 has 6 divisors (see below), whose sum is σ = 2892422. Its totient is φ = 1334952.

The previous prime is 2002417. The next prime is 2002453. The reversal of 2002437 is 7342002.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1766241 + 236196 = 1329^2 + 486^2 .

It is not a de Polignac number, because 2002437 - 2⁶ = 2002373 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2002417) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 111238 + ... + 111255.

2^2002437 is an apocalyptic number.

It is an amenable number.

2002437 is a deficient number, since it is larger than the sum of its proper divisors (889985).

2002437 is a wasteful number, since it uses less digits than its factorization.

2002437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222499 (or 222496 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 18.

The square root of 2002437 is about 1415.0749096779. The cubic root of 2002437 is about 126.0432580118.

Adding to 2002437 its reverse (7342002), we get a palindrome (9344439).

The spelling of 2002437 in words is "two million, two thousand, four hundred thirty-seven".