547990 has 8 divisors (see below), whose sum is σ = 986400. Its totient is φ = 219192.

The previous prime is 547957. The next prime is 547999. The reversal of 547990 is 99745.

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

It is an Ulam number.

It is a congruent number.

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

547990 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27390 + ... + 27409.

It is an arithmetic number, because the mean of its divisors is an integer number (123300).

2⁵⁴⁷⁹⁹⁰ is an apocalyptic number.

547990 is a deficient number, since it is larger than the sum of its proper divisors (438410).

547990 is a wasteful number, since it uses less digits than its factorization.

547990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54806.

The product of its (nonzero) digits is 11340, while the sum is 34.

The square root of 547990 is about 740.2634666117. The cubic root of 547990 is about 81.8321970005.

The spelling of 547990 in words is "five hundred forty-seven thousand, nine hundred ninety".