994977 has 16 divisors (see below), whose sum is σ = 1510080. Its totient is φ = 647136.

The previous prime is 994963. The next prime is 994991. The reversal of 994977 is 779499.

It is an interprime number because it is at equal distance from previous prime (994963) and next prime (994991).

It is not a de Polignac number, because 994977 - 2⁶ = 994913 is a prime.

It is not an unprimeable number, because it can be changed into a prime (994907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 733 + ... + 1589.

It is an arithmetic number, because the mean of its divisors is an integer number (94380).

2⁹⁹⁴⁹⁷⁷ is an apocalyptic number.

It is an amenable number.

994977 is a deficient number, since it is larger than the sum of its proper divisors (515103).

994977 is a wasteful number, since it uses less digits than its factorization.

994977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 909 (or 903 counting only the distinct ones).

The product of its digits is 142884, while the sum is 45.

The square root of 994977 is about 997.4853382381. The cubic root of 994977 is about 99.8322855425.

The spelling of 994977 in words is "nine hundred ninety-four thousand, nine hundred seventy-seven".