42506598 has 8 divisors (see below), whose sum is σ = 85013208. Its totient is φ = 14168864.

The previous prime is 42506587. The next prime is 42506623. The reversal of 42506598 is 89560524.

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

42506598 is an admirable number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3542211 + ... + 3542222.

It is an arithmetic number, because the mean of its divisors is an integer number (10626651).

Almost surely, 2^42506598 is an apocalyptic number.

42506598 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

42506598 is a wasteful number, since it uses less digits than its factorization.

42506598 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7084438.

The product of its (nonzero) digits is 86400, while the sum is 39.

The square root of 42506598 is about 6519.7084290634. The cubic root of 42506598 is about 348.9946606080.

The spelling of 42506598 in words is "forty-two million, five hundred six thousand, five hundred ninety-eight".