42869998 has 8 divisors (see below), whose sum is σ = 65080008. Its totient is φ = 21176664.

The previous prime is 42869989. The next prime is 42870019. The reversal of 42869998 is 89996824.

42869998 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

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, 128961 + ... + 129292.

It is an arithmetic number, because the mean of its divisors is an integer number (8135001).

Almost surely, 2^42869998 is an apocalyptic number.

42869998 is a deficient number, since it is larger than the sum of its proper divisors (22210010).

42869998 is a wasteful number, since it uses less digits than its factorization.

42869998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258338.

The product of its digits is 2239488, while the sum is 55.

The square root of 42869998 is about 6547.5184612187. The cubic root of 42869998 is about 349.9863885863.

The spelling of 42869998 in words is "forty-two million, eight hundred sixty-nine thousand, nine hundred ninety-eight".