605199812 has 24 divisors (see below), whose sum is σ = 1224987456. Its totient is φ = 256245408.

The previous prime is 605199809. The next prime is 605199821. The reversal of 605199812 is 218991506.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 605199812.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 127883 + ... + 132530.

It is an arithmetic number, because the mean of its divisors is an integer number (51041144).

Almost surely, 2^605199812 is an apocalyptic number.

It is an amenable number.

605199812 is an abundant number, since it is smaller than the sum of its proper divisors (619787644).

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

605199812 is a wasteful number, since it uses less digits than its factorization.

605199812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260507 (or 260505 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 41.

The square root of 605199812 is about 24600.8091736837. The cubic root of 605199812 is about 845.8621556492.

The spelling of 605199812 in words is "six hundred five million, one hundred ninety-nine thousand, eight hundred twelve".