494740 has 24 divisors (see below), whose sum is σ = 1076040. Its totient is φ = 190848.

The previous prime is 494737. The next prime is 494743. The reversal of 494740 is 47494.

It is an interprime number because it is at equal distance from previous prime (494737) and next prime (494743).

It can be written as a sum of positive squares in 4 ways, for example, as 1936 + 492804 = 44^2 + 702^2 .

It is a junction number, because it is equal to n+sod(n) for n = 494699 and 494708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (494743) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 154 + ... + 1006.

It is an arithmetic number, because the mean of its divisors is an integer number (44835).

2⁴⁹⁴⁷⁴⁰ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 494740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (538020).

494740 is an abundant number, since it is smaller than the sum of its proper divisors (581300).

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

494740 is a wasteful number, since it uses less digits than its factorization.

494740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 891 (or 889 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 494740 is about 703.3775657497. The cubic root of 494740 is about 79.0907465456.

The spelling of 494740 in words is "four hundred ninety-four thousand, seven hundred forty".