494820 has 36 divisors (see below), whose sum is σ = 1501500. Its totient is φ = 131904.

The previous prime is 494803. The next prime is 494843. The reversal of 494820 is 28494.

It can be written as a sum of positive squares in 2 ways, for example, as 112896 + 381924 = 336^2 + 618^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 494820.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1195 + ... + 1554.

2⁴⁹⁴⁸²⁰ is an apocalyptic number.

It is an amenable number.

494820 is an abundant number, since it is smaller than the sum of its proper divisors (1006680).

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

494820 is a wasteful number, since it uses less digits than its factorization.

494820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2764 (or 2759 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 494820 is about 703.4344319125. The cubic root of 494820 is about 79.0950093359.

The spelling of 494820 in words is "four hundred ninety-four thousand, eight hundred twenty".