994678 has 4 divisors (see below), whose sum is σ = 1492020. Its totient is φ = 497338.

The previous prime is 994667. The next prime is 994691. The reversal of 994678 is 876499.

It is a semiprime because it is the product of two primes.

It is a plaindrome in base 15.

It is a congruent number.

It is an unprimeable number.

994678 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 248668 + ... + 248671.

It is an arithmetic number, because the mean of its divisors is an integer number (373005).

2⁹⁹⁴⁶⁷⁸ is an apocalyptic number.

994678 is a deficient number, since it is larger than the sum of its proper divisors (497342).

994678 is a wasteful number, since it uses less digits than its factorization.

994678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 497341.

The product of its digits is 108864, while the sum is 43.

The square root of 994678 is about 997.3354500869. The cubic root of 994678 is about 99.8222843586.

The spelling of 994678 in words is "nine hundred ninety-four thousand, six hundred seventy-eight".