42098207 has 4 divisors (see below), whose sum is σ = 42279120. Its totient is φ = 41917296.

The previous prime is 42098197. The next prime is 42098209. The reversal of 42098207 is 70289024.

42098207 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 42098207 - 2⁴ = 42098191 is a prime.

It is a super-2 number, since 2×42098207² = 3544518065229698, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42098209) 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 3 ways as a sum of consecutive naturals, for example, 90107 + ... + 90572.

It is an arithmetic number, because the mean of its divisors is an integer number (10569780).

Almost surely, 2^42098207 is an apocalyptic number.

42098207 is a deficient number, since it is larger than the sum of its proper divisors (180913).

42098207 is a wasteful number, since it uses less digits than its factorization.

42098207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180912.

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 42098207 is about 6488.3131089675. The cubic root of 42098207 is about 347.8733822846.

The spelling of 42098207 in words is "forty-two million, ninety-eight thousand, two hundred seven".