504649 has 8 divisors (see below), whose sum is σ = 530432. Its totient is φ = 479520.

The previous prime is 504631. The next prime is 504661. The reversal of 504649 is 946405.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 504649 - 2⁵ = 504617 is a prime.

It is a super-2 number, since 2×504649² = 509341226402, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (504619) 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 in 7 ways as a sum of consecutive naturals, for example, 2152 + ... + 2374.

It is an arithmetic number, because the mean of its divisors is an integer number (66304).

2⁵⁰⁴⁶⁴⁹ is an apocalyptic number.

It is an amenable number.

504649 is a deficient number, since it is larger than the sum of its proper divisors (25783).

504649 is a wasteful number, since it uses less digits than its factorization.

504649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 504649 is about 710.3865145116. The cubic root of 504649 is about 79.6152883440.

The spelling of 504649 in words is "five hundred four thousand, six hundred forty-nine".