406318082 has 4 divisors (see below), whose sum is σ = 609477126. Its totient is φ = 203159040.

The previous prime is 406318067. The next prime is 406318103. The reversal of 406318082 is 280813604.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 358307041 + 48011041 = 18929^2 + 6929^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101579519 + ... + 101579522.

Almost surely, 2^406318082 is an apocalyptic number.

406318082 is a deficient number, since it is larger than the sum of its proper divisors (203159044).

406318082 is a wasteful number, since it uses less digits than its factorization.

406318082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203159043.

The product of its (nonzero) digits is 9216, while the sum is 32.

The square root of 406318082 is about 20157.3332065529. Note that the first 3 decimals coincide. The cubic root of 406318082 is about 740.6653876437.

The spelling of 406318082 in words is "four hundred six million, three hundred eighteen thousand, eighty-two".