994889049 has 32 divisors (see below), whose sum is σ = 1656668160. Its totient is φ = 515942400.

The previous prime is 994889033. The next prime is 994889053. The reversal of 994889049 is 940988499.

It is not a de Polignac number, because 994889049 - 2⁴ = 994889033 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 994888983 and 994889001.

It is not an unprimeable number, because it can be changed into a prime (994889009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 144712 + ... + 151430.

It is an arithmetic number, because the mean of its divisors is an integer number (51770880).

Almost surely, 2^994889049 is an apocalyptic number.

It is an amenable number.

994889049 is a deficient number, since it is larger than the sum of its proper divisors (661779111).

994889049 is a wasteful number, since it uses less digits than its factorization.

994889049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7381.

The product of its (nonzero) digits is 6718464, while the sum is 60.

The square root of 994889049 is about 31541.8618505630. The cubic root of 994889049 is about 998.2934389728.

The spelling of 994889049 in words is "nine hundred ninety-four million, eight hundred eighty-nine thousand, forty-nine".