42198611 has 32 divisors (see below), whose sum is σ = 54340608. Its totient is φ = 31881600.

The previous prime is 42198571. The next prime is 42198623. The reversal of 42198611 is 11689124.

42198611 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42198611 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42198661) 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 31 ways as a sum of consecutive naturals, for example, 279386 + ... + 279536.

It is an arithmetic number, because the mean of its divisors is an integer number (1698144).

Almost surely, 2^42198611 is an apocalyptic number.

42198611 is a deficient number, since it is larger than the sum of its proper divisors (12141997).

42198611 is a wasteful number, since it uses less digits than its factorization.

42198611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291.

The product of its digits is 3456, while the sum is 32.

The square root of 42198611 is about 6496.0457972524. The cubic root of 42198611 is about 348.1497214345.

The spelling of 42198611 in words is "forty-two million, one hundred ninety-eight thousand, six hundred eleven".