939107309 has 8 divisors (see below), whose sum is σ = 1089284928. Its totient is φ = 792934560.

The previous prime is 939107237. The next prime is 939107311. The reversal of 939107309 is 903701939.

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

It is a cyclic number.

It is not a de Polignac number, because 939107309 - 2¹⁶ = 939041773 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (939107369) 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, 1000712 + ... + 1001649.

It is an arithmetic number, because the mean of its divisors is an integer number (136160616).

Almost surely, 2^939107309 is an apocalyptic number.

It is an amenable number.

939107309 is a deficient number, since it is larger than the sum of its proper divisors (150177619).

939107309 is a wasteful number, since it uses less digits than its factorization.

939107309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2002435.

The product of its (nonzero) digits is 45927, while the sum is 41.

The square root of 939107309 is about 30644.8577905005. The cubic root of 939107309 is about 979.2759155709.

The spelling of 939107309 in words is "nine hundred thirty-nine million, one hundred seven thousand, three hundred nine".