42398874 has 24 divisors (see below), whose sum is σ = 104988000. Its totient is φ = 12113928.

The previous prime is 42398827. The next prime is 42398893. The reversal of 42398874 is 47889324.

42398874 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 11 ways as a sum of consecutive naturals, for example, 168124 + ... + 168375.

It is an arithmetic number, because the mean of its divisors is an integer number (4374500).

Almost surely, 2^42398874 is an apocalyptic number.

42398874 is an abundant number, since it is smaller than the sum of its proper divisors (62589126).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42398874 is a wasteful number, since it uses less digits than its factorization.

42398874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336514 (or 336511 counting only the distinct ones).

The product of its digits is 387072, while the sum is 45.

The square root of 42398874 is about 6511.4417758281. The cubic root of 42398874 is about 348.6995934394.

The spelling of 42398874 in words is "forty-two million, three hundred ninety-eight thousand, eight hundred seventy-four".