42598 has 12 divisors (see below), whose sum is σ = 68580. Its totient is φ = 19836.

The previous prime is 42589. The next prime is 42611. The reversal of 42598 is 89524.

It is a happy number.

42598 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a d-powerful number, because it can be written as 4² + 2⁷ + 5⁵ + 9⁴ + 8⁵ .

Its product of digits (2880) is a multiple of the sum of its prime divisors (80).

It is a nialpdrome in base 16.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 693 + ... + 751.

It is an arithmetic number, because the mean of its divisors is an integer number (5715).

2⁴²⁵⁹⁸ is an apocalyptic number.

42598 is a deficient number, since it is larger than the sum of its proper divisors (25982).

42598 is a wasteful number, since it uses less digits than its factorization.

42598 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99 (or 80 counting only the distinct ones).

The product of its digits is 2880, while the sum is 28.

The square root of 42598 is about 206.3928293328. The cubic root of 42598 is about 34.9244629434.

The spelling of 42598 in words is "forty-two thousand, five hundred ninety-eight".