2037989 has 4 divisors (see below), whose sum is σ = 2050656. Its totient is φ = 2025324.

The previous prime is 2037979. The next prime is 2038019. The reversal of 2037989 is 9897302.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2037989 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 (2037979) 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, 6089 + ... + 6414.

It is an arithmetic number, because the mean of its divisors is an integer number (512664).

2^2037989 is an apocalyptic number.

It is an amenable number.

2037989 is a deficient number, since it is larger than the sum of its proper divisors (12667).

2037989 is a wasteful number, since it uses less digits than its factorization.

2037989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12666.

The product of its (nonzero) digits is 27216, while the sum is 38.

The square root of 2037989 is about 1427.5815213150. The cubic root of 2037989 is about 126.7848258768.

It can be divided in two parts, 203 and 7989, that added together give a 13-th power (8192 = 2¹³).

The spelling of 2037989 in words is "two million, thirty-seven thousand, nine hundred eighty-nine".