994077841 has 9 divisors (see below), whose sum is σ = 1020241713. Its totient is φ = 968570880.

The previous prime is 994077817. The next prime is 994077857. The reversal of 994077841 is 148770499.

The square root of 994077841 is 31529.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 386948241 + 607129600 = 19671^2 + 24640^2 .

It is not a de Polignac number, because 994077841 - 2⁵ = 994077809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (994074841) by changing a digit.

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 in 8 ways as a sum of consecutive naturals, for example, 1292305 + ... + 1293073.

Almost surely, 2^994077841 is an apocalyptic number.

994077841 is the 31529-th square number.

994077841 is the 15765-th centered octagonal number.

It is an amenable number.

994077841 is a deficient number, since it is larger than the sum of its proper divisors (26163872).

994077841 is an frugal number, since it uses more digits than its factorization.

994077841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1620 (or 810 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 49.

The cubic root of 994077841 is about 998.0220372428.

Multiplying 994077841 by its sum of digits (49), we get a square (48709814209 = 220703²).

The spelling of 994077841 in words is "nine hundred ninety-four million, seventy-seven thousand, eight hundred forty-one".