406511332 has 12 divisors (see below), whose sum is σ = 716588460. Its totient is φ = 201771776.

The previous prime is 406511321. The next prime is 406511333. The reversal of 406511332 is 233115604.

It can be written as a sum of positive squares in 2 ways, for example, as 343879936 + 62631396 = 18544^2 + 7914^2 .

It is a junction number, because it is equal to n+sod(n) for n = 406511297 and 406511306.

It is not an unprimeable number, because it can be changed into a prime (406511333) 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, 370357 + ... + 371452.

It is an arithmetic number, because the mean of its divisors is an integer number (59715705).

Almost surely, 2^406511332 is an apocalyptic number.

It is an amenable number.

406511332 is a deficient number, since it is larger than the sum of its proper divisors (310077128).

406511332 is a wasteful number, since it uses less digits than its factorization.

406511332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 741950 (or 741948 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 406511332 is about 20162.1261775637. The cubic root of 406511332 is about 740.7827922965.

Adding to 406511332 its reverse (233115604), we get a palindrome (639626936).

The spelling of 406511332 in words is "four hundred six million, five hundred eleven thousand, three hundred thirty-two".