240798 has 16 divisors (see below), whose sum is σ = 489600. Its totient is φ = 78936.

The previous prime is 240797. The next prime is 240811. The reversal of 240798 is 897042.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240797) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 103 + ... + 701.

It is an arithmetic number, because the mean of its divisors is an integer number (30600).

2²⁴⁰⁷⁹⁸ is an apocalyptic number.

240798 is an abundant number, since it is smaller than the sum of its proper divisors (248802).

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

240798 is a wasteful number, since it uses less digits than its factorization.

240798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 671.

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 240798 is about 490.7117280033. The cubic root of 240798 is about 62.2134509083.

The spelling of 240798 in words is "two hundred forty thousand, seven hundred ninety-eight".