504646 has 4 divisors (see below), whose sum is σ = 756972. Its totient is φ = 252322.

The previous prime is 504631. The next prime is 504661. The reversal of 504646 is 646405.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 646405 = 5 ⋅129281.

It is an interprime number because it is at equal distance from previous prime (504631) and next prime (504661).

It is a self number, because there is not a number n which added to its sum of digits gives 504646.

It is a congruent number.

It is an unprimeable number.

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, 126160 + ... + 126163.

It is an arithmetic number, because the mean of its divisors is an integer number (189243).

2⁵⁰⁴⁶⁴⁶ is an apocalyptic number.

504646 is a deficient number, since it is larger than the sum of its proper divisors (252326).

504646 is a wasteful number, since it uses less digits than its factorization.

504646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252325.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 504646 is about 710.3844029819. The cubic root of 504646 is about 79.6151305800.

The spelling of 504646 in words is "five hundred four thousand, six hundred forty-six".