609360861 has 8 divisors (see below), whose sum is σ = 816735744. Its totient is φ = 404113280.

The previous prime is 609360823. The next prime is 609360863. The reversal of 609360861 is 168063906.

It is a happy number.

609360861 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-609360861 is a prime.

It is a super-2 number, since 2×609360861² = 742641317837322642, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (609360863) 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, 531156 + ... + 532301.

It is an arithmetic number, because the mean of its divisors is an integer number (102091968).

Almost surely, 2^609360861 is an apocalyptic number.

It is an amenable number.

609360861 is a deficient number, since it is larger than the sum of its proper divisors (207374883).

609360861 is a wasteful number, since it uses less digits than its factorization.

609360861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1063651.

The product of its (nonzero) digits is 46656, while the sum is 39.

The square root of 609360861 is about 24685.2356885649. The cubic root of 609360861 is about 847.7963036651.

The spelling of 609360861 in words is "six hundred nine million, three hundred sixty thousand, eight hundred sixty-one".