495580 has 24 divisors (see below), whose sum is σ = 1058400. Its totient is φ = 194880.

The previous prime is 495571. The next prime is 495587. The reversal of 495580 is 85594.

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 congruent number.

It is not an unprimeable number, because it can be changed into a prime (495587) by changing a digit.

495580 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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 7 ways as a sum of consecutive naturals, for example, 1246 + ... + 1594.

It is an arithmetic number, because the mean of its divisors is an integer number (44100).

2⁴⁹⁵⁵⁸⁰ is an apocalyptic number.

It is an amenable number.

495580 is an abundant number, since it is smaller than the sum of its proper divisors (562820).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

495580 is a wasteful number, since it uses less digits than its factorization.

495580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 429 (or 427 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 31.

The square root of 495580 is about 703.9744313539. The cubic root of 495580 is about 79.1354829477.

The spelling of 495580 in words is "four hundred ninety-five thousand, five hundred eighty".