1000494 has 48 divisors (see below), whose sum is σ = 2456064. Its totient is φ = 291600.

The previous prime is 1000457. The next prime is 1000507. The reversal of 1000494 is 4940001.

1000494 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6057 + ... + 6219.

It is an arithmetic number, because the mean of its divisors is an integer number (51168).

2^1000494 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1000494, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1228032).

1000494 is an abundant number, since it is smaller than the sum of its proper divisors (1455570).

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

1000494 is a wasteful number, since it uses less digits than its factorization.

1000494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213 (or 210 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 1000494 is about 1000.2469695030. The cubic root of 1000494 is about 100.0164639559.

Adding to 1000494 its reverse (4940001), we get a palindrome (5940495).

The spelling of 1000494 in words is "one million, four hundred ninety-four", and thus it is an aban number.