546649 has 4 divisors (see below), whose sum is σ = 575440. Its totient is φ = 517860.

The previous prime is 546643. The next prime is 546661. The reversal of 546649 is 946645.

546649 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 546649 - 2⁵ = 546617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (546643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14367 + ... + 14404.

It is an arithmetic number, because the mean of its divisors is an integer number (143860).

2⁵⁴⁶⁶⁴⁹ is an apocalyptic number.

It is an amenable number.

546649 is a deficient number, since it is larger than the sum of its proper divisors (28791).

546649 is a wasteful number, since it uses less digits than its factorization.

546649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28790.

The product of its digits is 25920, while the sum is 34.

The square root of 546649 is about 739.3571532081. The cubic root of 546649 is about 81.7653912733.

The spelling of 546649 in words is "five hundred forty-six thousand, six hundred forty-nine".