605979612 has 144 divisors (see below), whose sum is σ = 1805440000. Its totient is φ = 167806080.

The previous prime is 605979587. The next prime is 605979617. The reversal of 605979612 is 216979506.

It is a happy number.

It is a super-2 number, since 2×605979612² = 734422580319341088, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (605979617) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1214139 + ... + 1214637.

Almost surely, 2^605979612 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 605979612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (902720000).

605979612 is an abundant number, since it is smaller than the sum of its proper divisors (1199460388).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

605979612 is a wasteful number, since it uses less digits than its factorization.

605979612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 656 (or 651 counting only the distinct ones).

The product of its (nonzero) digits is 204120, while the sum is 45.

The square root of 605979612 is about 24616.6531437562. The cubic root of 605979612 is about 846.2252975399.

The spelling of 605979612 in words is "six hundred five million, nine hundred seventy-nine thousand, six hundred twelve".