605996999 has 8 divisors (see below), whose sum is σ = 618314112. Its totient is φ = 593785080.

The previous prime is 605996987. The next prime is 605997023. The reversal of 605996999 is 999699506.

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

It is a cyclic number.

It is not a de Polignac number, because 605996999 - 2²⁰ = 604948423 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (605996929) 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, 14609 + ... + 37754.

It is an arithmetic number, because the mean of its divisors is an integer number (77289264).

Almost surely, 2^605996999 is an apocalyptic number.

605996999 is a deficient number, since it is larger than the sum of its proper divisors (12317113).

605996999 is a wasteful number, since it uses less digits than its factorization.

605996999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52597.

The product of its (nonzero) digits is 10628820, while the sum is 62.

The square root of 605996999 is about 24617.0062964610. The cubic root of 605996999 is about 846.2333908697.

The spelling of 605996999 in words is "six hundred five million, nine hundred ninety-six thousand, nine hundred ninety-nine".