542798 has 8 divisors (see below), whose sum is σ = 820992. Its totient is φ = 269136.

The previous prime is 542797. The next prime is 542821. The reversal of 542798 is 897245.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542791) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 815 + ... + 1322.

It is an arithmetic number, because the mean of its divisors is an integer number (102624).

2⁵⁴²⁷⁹⁸ is an apocalyptic number.

542798 is a deficient number, since it is larger than the sum of its proper divisors (278194).

542798 is a wasteful number, since it uses less digits than its factorization.

542798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2266.

The product of its digits is 20160, while the sum is 35.

The square root of 542798 is about 736.7482609413. The cubic root of 542798 is about 81.5729333208.

The spelling of 542798 in words is "five hundred forty-two thousand, seven hundred ninety-eight".