42587198 has 4 divisors (see below), whose sum is σ = 63880800. Its totient is φ = 21293598.

The previous prime is 42587197. The next prime is 42587219. The reversal of 42587198 is 89178524.

42587198 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42587197) 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 as a sum of consecutive naturals, namely, 10646798 + ... + 10646801.

It is an arithmetic number, because the mean of its divisors is an integer number (15970200).

Almost surely, 2^42587198 is an apocalyptic number.

42587198 is a deficient number, since it is larger than the sum of its proper divisors (21293602).

42587198 is a wasteful number, since it uses less digits than its factorization.

42587198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21293601.

The product of its digits is 161280, while the sum is 44.

The square root of 42587198 is about 6525.8867596672. The cubic root of 42587198 is about 349.2151064565.

The spelling of 42587198 in words is "forty-two million, five hundred eighty-seven thousand, one hundred ninety-eight".