406432853 has 2 divisors, whose sum is σ = 406432854. Its totient is φ = 406432852.

The previous prime is 406432843. The next prime is 406432891. The reversal of 406432853 is 358234604.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 406143409 + 289444 = 20153^2 + 538^2 .

It is a cyclic number.

It is not a de Polignac number, because 406432853 - 2⁴ = 406432837 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (406432843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 203216426 + 203216427.

It is an arithmetic number, because the mean of its divisors is an integer number (203216427).

Almost surely, 2^406432853 is an apocalyptic number.

It is an amenable number.

406432853 is a deficient number, since it is larger than the sum of its proper divisors (1).

406432853 is an equidigital number, since it uses as much as digits as its factorization.

406432853 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 69120, while the sum is 35.

The square root of 406432853 is about 20160.1798851102. The cubic root of 406432853 is about 740.7351186487.

The spelling of 406432853 in words is "four hundred six million, four hundred thirty-two thousand, eight hundred fifty-three".