42104089 has 8 divisors (see below), whose sum is σ = 43216992. Its totient is φ = 40995360.

The previous prime is 42104071. The next prime is 42104119. The reversal of 42104089 is 98040124.

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 42104089 - 2¹³ = 42095897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42104389) 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, 35622 + ... + 36784.

It is an arithmetic number, because the mean of its divisors is an integer number (5402124).

Almost surely, 2^42104089 is an apocalyptic number.

It is an amenable number.

42104089 is a deficient number, since it is larger than the sum of its proper divisors (1112903).

42104089 is a wasteful number, since it uses less digits than its factorization.

42104089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2087.

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 42104089 is about 6488.7663696576. The cubic root of 42104089 is about 347.8895832591.

The spelling of 42104089 in words is "forty-two million, one hundred four thousand, eighty-nine".