406235232 has 72 divisors (see below), whose sum is σ = 1244106864. Its totient is φ = 124994304.

The previous prime is 406235209. The next prime is 406235251. The reversal of 406235232 is 232532604.

406235232 is a `hidden beast` number, since 4 + 0 + 623 + 5 + 2 + 32 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a junction number, because it is equal to n+sod(n) for n = 406235196 and 406235205.

It is a congruent number.

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, 50508 + ... + 57995.

It is an arithmetic number, because the mean of its divisors is an integer number (17279262).

Almost surely, 2^406235232 is an apocalyptic number.

It is an amenable number.

406235232 is an abundant number, since it is smaller than the sum of its proper divisors (837871632).

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

406235232 is a wasteful number, since it uses less digits than its factorization.

406235232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108532 (or 108521 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

The square root of 406235232 is about 20155.2780184249. The cubic root of 406235232 is about 740.6150426050.

Adding to 406235232 its reverse (232532604), we get a palindrome (638767836).

The spelling of 406235232 in words is "four hundred six million, two hundred thirty-five thousand, two hundred thirty-two".