547993 has 4 divisors (see below), whose sum is σ = 556240. Its totient is φ = 539748.

The previous prime is 547957. The next prime is 547999. The reversal of 547993 is 399745.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-547993 is a prime.

It is a d-powerful number, because it can be written as 5⁵ + 4⁴ + 9⁴ + 7² + 9⁴ + 3¹² .

It is a Duffinian number.

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 3 ways as a sum of consecutive naturals, for example, 4023 + ... + 4156.

It is an arithmetic number, because the mean of its divisors is an integer number (139060).

2⁵⁴⁷⁹⁹³ is an apocalyptic number.

It is an amenable number.

547993 is a deficient number, since it is larger than the sum of its proper divisors (8247).

547993 is an equidigital number, since it uses as much as digits as its factorization.

547993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8246.

The product of its digits is 34020, while the sum is 37.

The square root of 547993 is about 740.2654929145. The cubic root of 547993 is about 81.8323463318.

It can be divided in two parts, 547 and 993, that added together give a triangular number (1540 = T₅₅).

The spelling of 547993 in words is "five hundred forty-seven thousand, nine hundred ninety-three".