495400 has 24 divisors (see below), whose sum is σ = 1152270. Its totient is φ = 198080.

The previous prime is 495389. The next prime is 495401. The reversal of 495400 is 4594.

It can be written as a sum of positive squares in 3 ways, for example, as 367236 + 128164 = 606^2 + 358^2 .

It is not an unprimeable number, because it can be changed into a prime (495401) by changing a digit.

495400 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1039 + ... + 1438.

2⁴⁹⁵⁴⁰⁰ is an apocalyptic number.

495400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

495400 is an abundant number, since it is smaller than the sum of its proper divisors (656870).

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

495400 is a wasteful number, since it uses less digits than its factorization.

495400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2493 (or 2484 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 495400 is about 703.8465741907. The cubic root of 495400 is about 79.1259008339.

Adding to 495400 its reverse (4594), we get a palindrome (499994).

The spelling of 495400 in words is "four hundred ninety-five thousand, four hundred".