547664 has 20 divisors (see below), whose sum is σ = 1143156. Its totient is φ = 252672.

The previous prime is 547663. The next prime is 547681. The reversal of 547664 is 466745.

It can be written as a sum of positive squares in 2 ways, for example, as 85264 + 462400 = 292^2 + 680^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 547664.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (547661) 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, 1109 + ... + 1524.

2⁵⁴⁷⁶⁶⁴ is an apocalyptic number.

It is an amenable number.

547664 is an abundant number, since it is smaller than the sum of its proper divisors (595492).

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

547664 is a wasteful number, since it uses less digits than its factorization.

547664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2654 (or 2648 counting only the distinct ones).

The product of its digits is 20160, while the sum is 32.

The square root of 547664 is about 740.0432419798. The cubic root of 547664 is about 81.8159664196.

It can be divided in two parts, 5476 and 64, that multiplied together give a square (350464 = 592²).

The spelling of 547664 in words is "five hundred forty-seven thousand, six hundred sixty-four".