406302032 has 20 divisors (see below), whose sum is σ = 808487316. Its totient is φ = 197660160.

The previous prime is 406302031. The next prime is 406302037. The reversal of 406302032 is 230203604.

It can be written as a sum of positive squares in 2 ways, for example, as 215972416 + 190329616 = 14696^2 + 13796^2 .

It is a junction number, because it is equal to n+sod(n) for n = 406301995 and 406302013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (406302031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 342569 + ... + 343752.

Almost surely, 2^406302032 is an apocalyptic number.

It is an amenable number.

406302032 is a deficient number, since it is larger than the sum of its proper divisors (402185284).

406302032 is a wasteful number, since it uses less digits than its factorization.

406302032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 686366 (or 686360 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 406302032 is about 20156.9350844815. The cubic root of 406302032 is about 740.6556351562.

Adding to 406302032 its reverse (230203604), we get a palindrome (636505636).

The spelling of 406302032 in words is "four hundred six million, three hundred two thousand, thirty-two".