406603332 has 36 divisors (see below), whose sum is σ = 1028461980. Its totient is φ = 135447552.

The previous prime is 406603321. The next prime is 406603343. The reversal of 406603332 is 233306604.

It is an interprime number because it is at equal distance from previous prime (406603321) and next prime (406603343).

It can be written as a sum of positive squares in 2 ways, for example, as 229340736 + 177262596 = 15144^2 + 13314^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 406603296 and 406603305.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 79344 + ... + 84312.

Almost surely, 2^406603332 is an apocalyptic number.

It is an amenable number.

406603332 is an abundant number, since it is smaller than the sum of its proper divisors (621858648).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

406603332 is a wasteful number, since it uses less digits than its factorization.

406603332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7252 (or 7247 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 27.

The square root of 406603332 is about 20164.4075539055. The cubic root of 406603332 is about 740.8386717361.

Adding to 406603332 its reverse (233306604), we get a palindrome (639909936).

The spelling of 406603332 in words is "four hundred six million, six hundred three thousand, three hundred thirty-two".