605661342 has 32 divisors (see below), whose sum is σ = 1423094400. Its totient is φ = 169415520.

The previous prime is 605661341. The next prime is 605661359. The reversal of 605661342 is 243166506.

It is a super-2 number, since 2×605661342² = 733651322386481928, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (605661341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 352092 + ... + 353807.

It is an arithmetic number, because the mean of its divisors is an integer number (44471700).

Almost surely, 2^605661342 is an apocalyptic number.

605661342 is an abundant number, since it is smaller than the sum of its proper divisors (817433058).

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

605661342 is a wasteful number, since it uses less digits than its factorization.

605661342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 705928.

The product of its (nonzero) digits is 25920, while the sum is 33.

The square root of 605661342 is about 24610.1877684832. The cubic root of 605661342 is about 846.0771213276.

The spelling of 605661342 in words is "six hundred five million, six hundred sixty-one thousand, three hundred forty-two".