546404 has 6 divisors (see below), whose sum is σ = 956214. Its totient is φ = 273200.

The previous prime is 546391. The next prime is 546461. The reversal of 546404 is 404645.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 422500 + 123904 = 650^2 + 352^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 546404.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68297 + ... + 68304.

It is an arithmetic number, because the mean of its divisors is an integer number (159369).

2⁵⁴⁶⁴⁰⁴ is an apocalyptic number.

It is an amenable number.

546404 is a deficient number, since it is larger than the sum of its proper divisors (409810).

546404 is a wasteful number, since it uses less digits than its factorization.

546404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136605 (or 136603 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 546404 is about 739.1914501670. The cubic root of 546404 is about 81.7531741014.

The spelling of 546404 in words is "five hundred forty-six thousand, four hundred four".