485400 has 48 divisors (see below), whose sum is σ = 1506600. Its totient is φ = 129280.

The previous prime is 485389. The next prime is 485411. The reversal of 485400 is 4584.

It is an interprime number because it is at equal distance from previous prime (485389) and next prime (485411).

It is a super-2 number, since 2×485400² = 471226320000, which contains 22 as substring.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 485400.

It is an unprimeable number.

485400 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 11 ways as a sum of consecutive naturals, for example, 196 + ... + 1004.

2⁴⁸⁵⁴⁰⁰ is an apocalyptic number.

485400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 485400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (753300).

485400 is an abundant number, since it is smaller than the sum of its proper divisors (1021200).

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

485400 is a wasteful number, since it uses less digits than its factorization.

485400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 828 (or 819 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 485400 is about 696.7065379340. The cubic root of 485400 is about 78.5898736704.

Adding to 485400 its reverse (4584), we get a palindrome (489984).

The spelling of 485400 in words is "four hundred eighty-five thousand, four hundred".