• 493564² = 243605422096 is an anagram of the next square 493565² = 243606409225.

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493564 has 12 divisors (see below), whose sum is σ = 870184. Its totient is φ = 244944.

The previous prime is 493541. The next prime is 493567. The reversal of 493564 is 465394.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (493567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 274 + ... + 1030.

2⁴⁹³⁵⁶⁴ is an apocalyptic number.

It is an amenable number.

493564 is a deficient number, since it is larger than the sum of its proper divisors (376620).

493564 is a wasteful number, since it uses less digits than its factorization.

493564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 924 (or 922 counting only the distinct ones).

The product of its digits is 12960, while the sum is 31.

The square root of 493564 is about 702.5411020004. The cubic root of 493564 is about 79.0280304313.

The spelling of 493564 in words is "four hundred ninety-three thousand, five hundred sixty-four".