2063989 has 4 divisors (see below), whose sum is σ = 2172640. Its totient is φ = 1955340.

The previous prime is 2063983. The next prime is 2063993. The reversal of 2063989 is 9893602.

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 not a de Polignac number, because 2063989 - 2⁷ = 2063861 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 (2063983) 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, 54297 + ... + 54334.

It is an arithmetic number, because the mean of its divisors is an integer number (543160).

2^2063989 is an apocalyptic number.

It is an amenable number.

2063989 is a deficient number, since it is larger than the sum of its proper divisors (108651).

2063989 is a wasteful number, since it uses less digits than its factorization.

2063989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108650.

The product of its (nonzero) digits is 23328, while the sum is 37.

The square root of 2063989 is about 1436.6589713638. The cubic root of 2063989 is about 127.3217090223.

It can be divided in two parts, 20 and 63989, that added together give a square (64009 = 253²).

The spelling of 2063989 in words is "two million, sixty-three thousand, nine hundred eighty-nine".