42098393 has 2 divisors, whose sum is σ = 42098394. Its totient is φ = 42098392.

The previous prime is 42098369. The next prime is 42098437. The reversal of 42098393 is 39389024.

42098393 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30558784 + 11539609 = 5528^2 + 3397^2 .

It is a cyclic number.

It is not a de Polignac number, because 42098393 - 2²⁰ = 41049817 is a prime.

It is not a weakly prime, because it can be changed into another prime (42298393) 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 as a sum of consecutive naturals, namely, 21049196 + 21049197.

It is an arithmetic number, because the mean of its divisors is an integer number (21049197).

Almost surely, 2^42098393 is an apocalyptic number.

It is an amenable number.

42098393 is a deficient number, since it is larger than the sum of its proper divisors (1).

42098393 is an equidigital number, since it uses as much as digits as its factorization.

42098393 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 46656, while the sum is 38.

The square root of 42098393 is about 6488.3274424153. The cubic root of 42098393 is about 347.8738946132.

The spelling of 42098393 in words is "forty-two million, ninety-eight thousand, three hundred ninety-three".