405068 has 6 divisors (see below), whose sum is σ = 708876. Its totient is φ = 202532.

The previous prime is 405049. The next prime is 405071. The reversal of 405068 is 860504.

It is an unprimeable number.

405068 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50630 + ... + 50637.

It is an arithmetic number, because the mean of its divisors is an integer number (118146).

2⁴⁰⁵⁰⁶⁸ is an apocalyptic number.

It is an amenable number.

405068 is a deficient number, since it is larger than the sum of its proper divisors (303808).

405068 is a wasteful number, since it uses less digits than its factorization.

405068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101271 (or 101269 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 405068 is about 636.4495266712. The cubic root of 405068 is about 73.9905027987.

The spelling of 405068 in words is "four hundred five thousand, sixty-eight".