994442 has 8 divisors (see below), whose sum is σ = 1497636. Its totient is φ = 495232.

The previous prime is 994417. The next prime is 994447. The reversal of 994442 is 244499.

994442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 703921 + 290521 = 839^2 + 539^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a nialpdrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 994399 and 994408.

It is not an unprimeable number, because it can be changed into a prime (994447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 263 + ... + 1434.

2⁹⁹⁴⁴⁴² is an apocalyptic number.

994442 is a deficient number, since it is larger than the sum of its proper divisors (503194).

994442 is a wasteful number, since it uses less digits than its factorization.

994442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1992.

The product of its digits is 10368, while the sum is 32.

The square root of 994442 is about 997.2171278112. The cubic root of 994442 is about 99.8143890322.

The spelling of 994442 in words is "nine hundred ninety-four thousand, four hundred forty-two".