495649 has 16 divisors (see below), whose sum is σ = 637056. Its totient is φ = 374400.

The previous prime is 495647. The next prime is 495667. The reversal of 495649 is 946594.

It is a cyclic number.

It is not a de Polignac number, because 495649 - 2¹ = 495647 is a prime.

It is a super-3 number, since 3×495649³ = 365295193295533347, which contains 333 as substring.

Its product of digits (38880) is a multiple of the sum of its prime divisors (216).

It is a plaindrome in base 13.

It is a zygodrome in base 5.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (495647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3079 + ... + 3235.

It is an arithmetic number, because the mean of its divisors is an integer number (39816).

2⁴⁹⁵⁶⁴⁹ is an apocalyptic number.

It is an amenable number.

495649 is a deficient number, since it is larger than the sum of its proper divisors (141407).

495649 is a wasteful number, since it uses less digits than its factorization.

495649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216.

The product of its digits is 38880, while the sum is 37.

The square root of 495649 is about 704.0234371099. The cubic root of 495649 is about 79.1391554761.

It can be divided in two parts, 4956 and 49, that added together give a palindrome (5005).

The spelling of 495649 in words is "four hundred ninety-five thousand, six hundred forty-nine".