546390 has 48 divisors (see below), whose sum is σ = 1533168. Its totient is φ = 134208.

The previous prime is 546373. The next prime is 546391. The reversal of 546390 is 93645.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (546391) by changing a digit.

546390 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 23 ways as a sum of consecutive naturals, for example, 937 + ... + 1403.

It is an arithmetic number, because the mean of its divisors is an integer number (31941).

2⁵⁴⁶³⁹⁰ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 546390, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (766584).

546390 is an abundant number, since it is smaller than the sum of its proper divisors (986778).

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

546390 is a wasteful number, since it uses less digits than its factorization.

546390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 493 (or 490 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 546390 is about 739.1819802998. The cubic root of 546390 is about 81.7524758670.

The spelling of 546390 in words is "five hundred forty-six thousand, three hundred ninety".