406235712 has 56 divisors (see below), whose sum is σ = 1111910400. Its totient is φ = 130740736.

The previous prime is 406235707. The next prime is 406235717. The reversal of 406235712 is 217532604.

It is an interprime number because it is at equal distance from previous prime (406235707) and next prime (406235717).

It is a self number, because there is not a number n which added to its sum of digits gives 406235712.

It is not an unprimeable number, because it can be changed into a prime (406235717) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 30912 + ... + 42047.

Almost surely, 2^406235712 is an apocalyptic number.

It is an amenable number.

406235712 is an abundant number, since it is smaller than the sum of its proper divisors (705674688).

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

406235712 is a wasteful number, since it uses less digits than its factorization.

406235712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73003 (or 72993 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 406235712 is about 20155.2899259723. The cubic root of 406235712 is about 740.6153343039.

The spelling of 406235712 in words is "four hundred six million, two hundred thirty-five thousand, seven hundred twelve".