994803142 has 4 divisors (see below), whose sum is σ = 1492204716. Its totient is φ = 497401570.

The previous prime is 994803091. The next prime is 994803209. The reversal of 994803142 is 241308499.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 241308499 = 2273 ⋅106163.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 994803095 and 994803104.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 248700784 + ... + 248700787.

It is an arithmetic number, because the mean of its divisors is an integer number (373051179).

Almost surely, 2^994803142 is an apocalyptic number.

994803142 is a deficient number, since it is larger than the sum of its proper divisors (497401574).

994803142 is a wasteful number, since it uses less digits than its factorization.

994803142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 497401573.

The product of its (nonzero) digits is 62208, while the sum is 40.

The square root of 994803142 is about 31540.5000277421. The cubic root of 994803142 is about 998.2647044913.

The spelling of 994803142 in words is "nine hundred ninety-four million, eight hundred three thousand, one hundred forty-two".