405946883 has 2 divisors, whose sum is σ = 405946884. Its totient is φ = 405946882.

The previous prime is 405946873. The next prime is 405946921. The reversal of 405946883 is 388649504.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 405946883 - 2⁴ = 405946867 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (405946873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202973441 + 202973442.

It is an arithmetic number, because the mean of its divisors is an integer number (202973442).

Almost surely, 2^405946883 is an apocalyptic number.

405946883 is a deficient number, since it is larger than the sum of its proper divisors (1).

405946883 is an equidigital number, since it uses as much as digits as its factorization.

405946883 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 829440, while the sum is 47.

The square root of 405946883 is about 20148.1235602723. The cubic root of 405946883 is about 740.4397696450.

The spelling of 405946883 in words is "four hundred five million, nine hundred forty-six thousand, eight hundred eighty-three".