497844 has 18 divisors (see below), whose sum is σ = 1258530. Its totient is φ = 165936.

The previous prime is 497839. The next prime is 497851. The reversal of 497844 is 448794.

It can be written as a sum of positive squares in only one way, i.e., 345744 + 152100 = 588^2 + 390^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 13829 = 497844 / (4 + 9 + 7 + 8 + 4 + 4).

It is a junction number, because it is equal to n+sod(n) for n = 497799 and 497808.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6879 + ... + 6950.

2⁴⁹⁷⁸⁴⁴ is an apocalyptic number.

It is an amenable number.

497844 is an abundant number, since it is smaller than the sum of its proper divisors (760686).

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

497844 is a wasteful number, since it uses less digits than its factorization.

497844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13839 (or 13834 counting only the distinct ones).

The product of its digits is 32256, while the sum is 36.

The square root of 497844 is about 705.5806119785. The cubic root of 497844 is about 79.2558070095.

The spelling of 497844 in words is "four hundred ninety-seven thousand, eight hundred forty-four".