994040 has 16 divisors (see below), whose sum is σ = 2236680. Its totient is φ = 397600.

The previous prime is 994039. The next prime is 994051. The reversal of 994040 is 40499.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12386 + ... + 12465.

2⁹⁹⁴⁰⁴⁰ is an apocalyptic number.

It is an amenable number.

994040 is an abundant number, since it is smaller than the sum of its proper divisors (1242640).

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

994040 is a wasteful number, since it uses less digits than its factorization.

994040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24862 (or 24858 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 994040 is about 997.0155465187. The cubic root of 994040 is about 99.8009373368.

It can be divided in two parts, 9 and 94040, that added together give a palindrome (94049).

The spelling of 994040 in words is "nine hundred ninety-four thousand, forty".