546690 has 16 divisors (see below), whose sum is σ = 1312128. Its totient is φ = 145776.

The previous prime is 546683. The next prime is 546691. The reversal of 546690 is 96645.

It is a super-2 number, since 2×546690² = 597739912200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 18223 = 546690 / (5 + 4 + 6 + 6 + 9 + 0).

It is a Curzon number.

It is a plaindrome in base 12.

It is not an unprimeable number, because it can be changed into a prime (546691) by changing a digit.

546690 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 7 ways as a sum of consecutive naturals, for example, 9082 + ... + 9141.

It is an arithmetic number, because the mean of its divisors is an integer number (82008).

2⁵⁴⁶⁶⁹⁰ is an apocalyptic number.

546690 is an abundant number, since it is smaller than the sum of its proper divisors (765438).

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

546690 is a wasteful number, since it uses less digits than its factorization.

546690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18233.

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 546690 is about 739.3848794775. The cubic root of 546690 is about 81.7674354230.

The spelling of 546690 in words is "five hundred forty-six thousand, six hundred ninety".