946799309 has 8 divisors (see below), whose sum is σ = 1003920120. Its totient is φ = 889837056.

The previous prime is 946799299. The next prime is 946799339. The reversal of 946799309 is 903997649.

946799309 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 10745284 + 936054025 = 3278^2 + 30595^2 .

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 946799309 - 2⁸ = 946799053 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 (946799339) 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, 27224 + ... + 51329.

It is an arithmetic number, because the mean of its divisors is an integer number (125490015).

Almost surely, 2^946799309 is an apocalyptic number.

It is an amenable number.

946799309 is a deficient number, since it is larger than the sum of its proper divisors (57120811).

946799309 is a wasteful number, since it uses less digits than its factorization.

946799309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79279.

The product of its (nonzero) digits is 3306744, while the sum is 56.

The square root of 946799309 is about 30770.1041434702. The cubic root of 946799309 is about 981.9423192477.

The spelling of 946799309 in words is "nine hundred forty-six million, seven hundred ninety-nine thousand, three hundred nine".