547998 has 48 divisors (see below), whose sum is σ = 1316736. Its totient is φ = 150480.

The previous prime is 547957. The next prime is 547999. The reversal of 547998 is 899745.

547998 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 547998.

It is not an unprimeable number, because it can be changed into a prime (547999) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23815 + ... + 23837.

It is an arithmetic number, because the mean of its divisors is an integer number (27432).

2⁵⁴⁷⁹⁹⁸ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 547998, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (658368).

547998 is an abundant number, since it is smaller than the sum of its proper divisors (768738).

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

547998 is a wasteful number, since it uses less digits than its factorization.

547998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77 (or 58 counting only the distinct ones).

The product of its digits is 90720, while the sum is 42.

The square root of 547998 is about 740.2688700736. The cubic root of 547998 is about 81.8325952161.

The spelling of 547998 in words is "five hundred forty-seven thousand, nine hundred ninety-eight".