42389599 has 8 divisors (see below), whose sum is σ = 48925728. Its totient is φ = 35973600.

The previous prime is 42389597. The next prime is 42389603. The reversal of 42389599 is 99598324.

42389599 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 42389599 - 2¹ = 42389597 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42389591) 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, 29272 + ... + 30685.

It is an arithmetic number, because the mean of its divisors is an integer number (6115716).

Almost surely, 2^42389599 is an apocalyptic number.

42389599 is a deficient number, since it is larger than the sum of its proper divisors (6536129).

42389599 is a wasteful number, since it uses less digits than its factorization.

42389599 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60065.

The product of its digits is 699840, while the sum is 49.

The square root of 42389599 is about 6510.7295290159. The cubic root of 42389599 is about 348.6741648978.

The spelling of 42389599 in words is "forty-two million, three hundred eighty-nine thousand, five hundred ninety-nine".