2100039 has 8 divisors (see below), whose sum is σ = 2808960. Its totient is φ = 1395576.

The previous prime is 2100031. The next prime is 2100041. The reversal of 2100039 is 9300012.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2100039 - 2³ = 2100031 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2100031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 214 + ... + 2060.

It is an arithmetic number, because the mean of its divisors is an integer number (351120).

2^2100039 is an apocalyptic number.

2100039 is a deficient number, since it is larger than the sum of its proper divisors (708921).

2100039 is a wasteful number, since it uses less digits than its factorization.

2100039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2229.

The product of its (nonzero) digits is 54, while the sum is 15.

The square root of 2100039 is about 1449.1511308349. The cubic root of 2100039 is about 128.0587092333.

It can be divided in two parts, 210003 and 9, that added together give a palindrome (210012).

The spelling of 2100039 in words is "two million, one hundred thousand, thirty-nine".