505396 has 6 divisors (see below), whose sum is σ = 884450. Its totient is φ = 252696.

The previous prime is 505369. The next prime is 505399. The reversal of 505396 is 693505.

It is a happy number.

505396 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 504100 + 1296 = 710^2 + 36^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63171 + ... + 63178.

2⁵⁰⁵³⁹⁶ is an apocalyptic number.

It is an amenable number.

505396 is a deficient number, since it is larger than the sum of its proper divisors (379054).

505396 is a wasteful number, since it uses less digits than its factorization.

505396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126353 (or 126351 counting only the distinct ones).

The product of its (nonzero) digits is 4050, while the sum is 28.

The square root of 505396 is about 710.9120902053. The cubic root of 505396 is about 79.6545521359.

The spelling of 505396 in words is "five hundred five thousand, three hundred ninety-six".