609609946 has 16 divisors (see below), whose sum is σ = 1050046560. Its totient is φ = 262511280.

The previous prime is 609609943. The next prime is 609609967. The reversal of 609609946 is 649906906.

It is a happy number.

609609946 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 609609946.

It is not an unprimeable number, because it can be changed into a prime (609609943) 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, 728781 + ... + 729616.

It is an arithmetic number, because the mean of its divisors is an integer number (65627910).

Almost surely, 2^609609946 is an apocalyptic number.

609609946 is a deficient number, since it is larger than the sum of its proper divisors (440436614).

609609946 is a wasteful number, since it uses less digits than its factorization.

609609946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1458429.

The product of its (nonzero) digits is 629856, while the sum is 49.

The square root of 609609946 is about 24690.2803953297. The cubic root of 609609946 is about 847.9118042324.

The spelling of 609609946 in words is "six hundred nine million, six hundred nine thousand, nine hundred forty-six".