405385283 has 16 divisors (see below), whose sum is σ = 425748960. Its totient is φ = 385595136.

The previous prime is 405385259. The next prime is 405385291. The reversal of 405385283 is 382583504.

It is a cyclic number.

It is not a de Polignac number, because 405385283 - 2⁶ = 405385219 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (405385223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 508241 + ... + 509037.

It is an arithmetic number, because the mean of its divisors is an integer number (26609310).

Almost surely, 2^405385283 is an apocalyptic number.

405385283 is a deficient number, since it is larger than the sum of its proper divisors (20363677).

405385283 is a wasteful number, since it uses less digits than its factorization.

405385283 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1126.

The product of its (nonzero) digits is 115200, while the sum is 38.

The square root of 405385283 is about 20134.1819550733. The cubic root of 405385283 is about 740.0981626536.

The spelling of 405385283 in words is "four hundred five million, three hundred eighty-five thousand, two hundred eighty-three".