42398873 has 8 divisors (see below), whose sum is σ = 46944480. Its totient is φ = 37968480.

The previous prime is 42398827. The next prime is 42398893. The reversal of 42398873 is 37889324.

42398873 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 de Polignac number, because none of the positive numbers 2^k-42398873 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42398803) 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 7 ways as a sum of consecutive naturals, for example, 28028 + ... + 29501.

It is an arithmetic number, because the mean of its divisors is an integer number (5868060).

Almost surely, 2^42398873 is an apocalyptic number.

It is an amenable number.

42398873 is a deficient number, since it is larger than the sum of its proper divisors (4545607).

42398873 is a wasteful number, since it uses less digits than its factorization.

42398873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57607.

The product of its digits is 290304, while the sum is 44.

The square root of 42398873 is about 6511.4416990402. The cubic root of 42398873 is about 348.6995906980.

The spelling of 42398873 in words is "forty-two million, three hundred ninety-eight thousand, eight hundred seventy-three".