2039669 has 4 divisors (see below), whose sum is σ = 2147040. Its totient is φ = 1932300.

The previous prime is 2039651. The next prime is 2039671. The reversal of 2039669 is 9669302.

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 de Polignac number, because none of the positive numbers 2^k-2039669 is a prime.

It is a super-2 number, since 2×2039669² = 8320499259122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2039629) 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, 53657 + ... + 53694.

It is an arithmetic number, because the mean of its divisors is an integer number (536760).

2^2039669 is an apocalyptic number.

It is an amenable number.

2039669 is a deficient number, since it is larger than the sum of its proper divisors (107371).

2039669 is a wasteful number, since it uses less digits than its factorization.

2039669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107370.

The product of its (nonzero) digits is 17496, while the sum is 35.

The square root of 2039669 is about 1428.1698078310. The cubic root of 2039669 is about 126.8196543288.

The spelling of 2039669 in words is "two million, thirty-nine thousand, six hundred sixty-nine".