42198983 has 4 divisors (see below), whose sum is σ = 42914280. Its totient is φ = 41483688.

The previous prime is 42198887. The next prime is 42198991. The reversal of 42198983 is 38989124.

It is a happy number.

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 42198983 - 2¹⁰ = 42197959 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 (42198383) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 357560 + ... + 357677.

It is an arithmetic number, because the mean of its divisors is an integer number (10728570).

Almost surely, 2^42198983 is an apocalyptic number.

42198983 is a deficient number, since it is larger than the sum of its proper divisors (715297).

42198983 is an equidigital number, since it uses as much as digits as its factorization.

42198983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 715296.

The product of its digits is 124416, while the sum is 44.

The square root of 42198983 is about 6496.0744299923. The cubic root of 42198983 is about 348.1507444643.

The spelling of 42198983 in words is "forty-two million, one hundred ninety-eight thousand, nine hundred eighty-three".