42598385 has 8 divisors (see below), whose sum is σ = 52365096. Its totient is φ = 33247360.

The previous prime is 42598343. The next prime is 42598393. The reversal of 42598385 is 58389524.

It can be written as a sum of positive squares in 4 ways, for example, as 4800481 + 37797904 = 2191^2 + 6148^2 .

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

It is not a de Polignac number, because 42598385 - 2⁶ = 42598321 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103694 + ... + 104103.

It is an arithmetic number, because the mean of its divisors is an integer number (6545637).

Almost surely, 2^42598385 is an apocalyptic number.

It is an amenable number.

42598385 is a deficient number, since it is larger than the sum of its proper divisors (9766711).

42598385 is a wasteful number, since it uses less digits than its factorization.

42598385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207843.

The product of its digits is 345600, while the sum is 44.

The square root of 42598385 is about 6526.7438282807. The cubic root of 42598385 is about 349.2456815867.

The spelling of 42598385 in words is "forty-two million, five hundred ninety-eight thousand, three hundred eighty-five".