939309969 has 16 divisors (see below), whose sum is σ = 1349442752. Its totient is φ = 577741248.

The previous prime is 939309967. The next prime is 939309977. The reversal of 939309969 is 969903939.

It is not a de Polignac number, because 939309969 - 2¹ = 939309967 is a prime.

It is a super-2 number, since 2×939309969² = 1764606435725561922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (939309961) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 90102 + ... + 99984.

It is an arithmetic number, because the mean of its divisors is an integer number (84340172).

Almost surely, 2^939309969 is an apocalyptic number.

It is an amenable number.

939309969 is a deficient number, since it is larger than the sum of its proper divisors (410132783).

939309969 is a wasteful number, since it uses less digits than its factorization.

939309969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12336.

The product of its (nonzero) digits is 3188646, while the sum is 57.

The square root of 939309969 is about 30648.1642027708. The cubic root of 939309969 is about 979.3463533085.

The spelling of 939309969 in words is "nine hundred thirty-nine million, three hundred nine thousand, nine hundred sixty-nine".