42284009 has 8 divisors (see below), whose sum is σ = 42979200. Its totient is φ = 41592096.

The previous prime is 42283991. The next prime is 42284017. The reversal of 42284009 is 90048224.

42284009 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 42284009 - 2²⁰ = 41235433 is a prime.

It is a super-2 number, since 2×42284009² = 3575874834224162, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42284309) 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 7 ways as a sum of consecutive naturals, for example, 43244 + ... + 44210.

It is an arithmetic number, because the mean of its divisors is an integer number (5372400).

Almost surely, 2^42284009 is an apocalyptic number.

It is an amenable number.

42284009 is a deficient number, since it is larger than the sum of its proper divisors (695191).

42284009 is an equidigital number, since it uses as much as digits as its factorization.

42284009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1639.

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 42284009 is about 6502.6155506842. The cubic root of 42284009 is about 348.3844152299.

The spelling of 42284009 in words is "forty-two million, two hundred eighty-four thousand, nine".