40598 has 8 divisors (see below), whose sum is σ = 62208. Its totient is φ = 19864.

The previous prime is 40597. The next prime is 40609. The reversal of 40598 is 89504.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40591) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86 + ... + 297.

It is an arithmetic number, because the mean of its divisors is an integer number (7776).

2⁴⁰⁵⁹⁸ is an apocalyptic number.

40598 is a deficient number, since it is larger than the sum of its proper divisors (21610).

40598 is a wasteful number, since it uses less digits than its factorization.

40598 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 438.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 40598 is about 201.4894538183. The cubic root of 40598 is about 34.3691042230.

The spelling of 40598 in words is "forty thousand, five hundred ninety-eight".