406489883 has 2 divisors, whose sum is σ = 406489884. Its totient is φ = 406489882.

The previous prime is 406489877. The next prime is 406489901. The reversal of 406489883 is 388984604.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 406489883 - 2²⁰ = 405441307 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (406489813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 203244941 + 203244942.

It is an arithmetic number, because the mean of its divisors is an integer number (203244942).

Almost surely, 2^406489883 is an apocalyptic number.

406489883 is a deficient number, since it is larger than the sum of its proper divisors (1).

406489883 is an equidigital number, since it uses as much as digits as its factorization.

406489883 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1327104, while the sum is 50.

The square root of 406489883 is about 20161.5942573994. The cubic root of 406489883 is about 740.7697632792.

The spelling of 406489883 in words is "four hundred six million, four hundred eighty-nine thousand, eight hundred eighty-three".