946706809 has 4 divisors (see below), whose sum is σ = 948058020. Its totient is φ = 945355600.

The previous prime is 946706797. The next prime is 946706833. The reversal of 946706809 is 908607649.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 693005625 + 253701184 = 26325^2 + 15928^2 .

It is a cyclic number.

It is not a de Polignac number, because 946706809 - 2⁵ = 946706777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (946706209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 674554 + ... + 675955.

It is an arithmetic number, because the mean of its divisors is an integer number (237014505).

Almost surely, 2^946706809 is an apocalyptic number.

It is an amenable number.

946706809 is a deficient number, since it is larger than the sum of its proper divisors (1351211).

946706809 is a wasteful number, since it uses less digits than its factorization.

946706809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1351210.

The product of its (nonzero) digits is 653184, while the sum is 49.

The square root of 946706809 is about 30768.6010244210. The cubic root of 946706809 is about 981.9103404106.

The spelling of 946706809 in words is "nine hundred forty-six million, seven hundred six thousand, eight hundred nine".