546628 has 6 divisors (see below), whose sum is σ = 956606. Its totient is φ = 273312.

The previous prime is 546619. The next prime is 546631. The reversal of 546628 is 826645.

It can be written as a sum of positive squares in only one way, i.e., 492804 + 53824 = 702^2 + 232^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 546628.

It is an unprimeable number.

546628 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 as a sum of consecutive naturals, namely, 68325 + ... + 68332.

2⁵⁴⁶⁶²⁸ is an apocalyptic number.

It is an amenable number.

546628 is a deficient number, since it is larger than the sum of its proper divisors (409978).

546628 is a wasteful number, since it uses less digits than its factorization.

546628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136661 (or 136659 counting only the distinct ones).

The product of its digits is 11520, while the sum is 31.

The square root of 546628 is about 739.3429515455. The cubic root of 546628 is about 81.7643442302.

The spelling of 546628 in words is "five hundred forty-six thousand, six hundred twenty-eight".