406006242 has 8 divisors (see below), whose sum is σ = 812012496. Its totient is φ = 135335412.

The previous prime is 406006241. The next prime is 406006243. The reversal of 406006242 is 242600604.

It is an interprime number because it is at equal distance from previous prime (406006241) and next prime (406006243).

It is a sphenic number, since it is the product of 3 distinct primes.

406006242 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (406006241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33833848 + ... + 33833859.

It is an arithmetic number, because the mean of its divisors is an integer number (101501562).

Almost surely, 2^406006242 is an apocalyptic number.

406006242 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

406006242 is a wasteful number, since it uses less digits than its factorization.

406006242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67667712.

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 406006242 is about 20149.5965716438. The cubic root of 406006242 is about 740.4758578001.

Adding to 406006242 its reverse (242600604), we get a palindrome (648606846).

The spelling of 406006242 in words is "four hundred six million, six thousand, two hundred forty-two".