547830 has 32 divisors (see below), whose sum is σ = 1461600. Its totient is φ = 146016.

The previous prime is 547823. The next prime is 547831. The reversal of 547830 is 38745.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an alternating number because its digits alternate between odd and even.

It is a junction number, because it is equal to n+sod(n) for n = 547794 and 547803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (547831) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 745 + ... + 1284.

It is an arithmetic number, because the mean of its divisors is an integer number (45675).

2⁵⁴⁷⁸³⁰ is an apocalyptic number.

547830 is an abundant number, since it is smaller than the sum of its proper divisors (913770).

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

547830 is a wasteful number, since it uses less digits than its factorization.

547830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2045 (or 2039 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 547830 is about 740.1553890907. The cubic root of 547830 is about 81.8242318758.

The spelling of 547830 in words is "five hundred forty-seven thousand, eight hundred thirty".