547638 has 64 divisors (see below), whose sum is σ = 1451520. Its totient is φ = 133632.

The previous prime is 547627. The next prime is 547639. The reversal of 547638 is 836745.

547638 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 = 547599 and 547608.

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 547638.

It is not an unprimeable number, because it can be changed into a prime (547639) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9253 + ... + 9311.

It is an arithmetic number, because the mean of its divisors is an integer number (22680).

2⁵⁴⁷⁶³⁸ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 547638, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (725760).

547638 is an abundant number, since it is smaller than the sum of its proper divisors (903882).

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

547638 is a wasteful number, since it uses less digits than its factorization.

547638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101.

The product of its digits is 20160, while the sum is 33.

The square root of 547638 is about 740.0256752303. The cubic root of 547638 is about 81.8146716788.

The spelling of 547638 in words is "five hundred forty-seven thousand, six hundred thirty-eight".