605311864 has 16 divisors (see below), whose sum is σ = 1162642320. Its totient is φ = 295273920.

The previous prime is 605311829. The next prime is 605311871. The reversal of 605311864 is 468113506.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 922404 + ... + 923059.

It is an arithmetic number, because the mean of its divisors is an integer number (72665145).

Almost surely, 2^605311864 is an apocalyptic number.

It is an amenable number.

605311864 is a deficient number, since it is larger than the sum of its proper divisors (557330456).

605311864 is a wasteful number, since it uses less digits than its factorization.

605311864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1845510 (or 1845506 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 605311864 is about 24603.0864730424. The cubic root of 605311864 is about 845.9143558733.

The spelling of 605311864 in words is "six hundred five million, three hundred eleven thousand, eight hundred sixty-four".