2006237 has 4 divisors (see below), whose sum is σ = 2009436. Its totient is φ = 2003040.

The previous prime is 2006231. The next prime is 2006239. The reversal of 2006237 is 7326002.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7326002 = 2 ⋅3663001.

It can be written as a sum of positive squares in 2 ways, for example, as 1623076 + 383161 = 1274^2 + 619^2 .

It is a cyclic number.

It is not a de Polignac number, because 2006237 - 2⁸ = 2005981 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 (2006231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 314 + ... + 2027.

It is an arithmetic number, because the mean of its divisors is an integer number (502359).

2^2006237 is an apocalyptic number.

It is an amenable number.

2006237 is a deficient number, since it is larger than the sum of its proper divisors (3199).

2006237 is an equidigital number, since it uses as much as digits as its factorization.

2006237 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3198.

The product of its (nonzero) digits is 504, while the sum is 20.

The square root of 2006237 is about 1416.4169583848. The cubic root of 2006237 is about 126.1229378759.

The spelling of 2006237 in words is "two million, six thousand, two hundred thirty-seven".