42938198 has 8 divisors (see below), whose sum is σ = 64514208. Its totient is φ = 21433464.

The previous prime is 42938197. The next prime is 42938201. The reversal of 42938198 is 89183924.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42938191) 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, 16286 + ... + 18737.

It is an arithmetic number, because the mean of its divisors is an integer number (8064276).

Almost surely, 2^42938198 is an apocalyptic number.

42938198 is a deficient number, since it is larger than the sum of its proper divisors (21576010).

42938198 is a wasteful number, since it uses less digits than its factorization.

42938198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35638.

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

The square root of 42938198 is about 6552.7244715462. The cubic root of 42938198 is about 350.1718829224.

The spelling of 42938198 in words is "forty-two million, nine hundred thirty-eight thousand, one hundred ninety-eight".