2069309 has 8 divisors (see below), whose sum is σ = 2376480. Its totient is φ = 1782000.

The previous prime is 2069267. The next prime is 2069329. The reversal of 2069309 is 9039602.

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

It is not a de Polignac number, because 2069309 - 2¹² = 2065213 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 (2069329) 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, 4742 + ... + 5159.

It is an arithmetic number, because the mean of its divisors is an integer number (297060).

2^2069309 is an apocalyptic number.

It is an amenable number.

2069309 is a deficient number, since it is larger than the sum of its proper divisors (307171).

2069309 is a wasteful number, since it uses less digits than its factorization.

2069309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9931.

The product of its (nonzero) digits is 2916, while the sum is 29.

The square root of 2069309 is about 1438.5092978497. The cubic root of 2069309 is about 127.4310071434.

The spelling of 2069309 in words is "two million, sixty-nine thousand, three hundred nine".