994339563 has 16 divisors (see below), whose sum is σ = 1537800960. Its totient is φ = 559712736.

The previous prime is 994339553. The next prime is 994339579. The reversal of 994339563 is 365933499.

It is not a de Polignac number, because 994339563 - 2⁶ = 994339499 is a prime.

It is a super-2 number, since 2×994339563² = 1977422333094061938, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (994339513) 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 15 ways as a sum of consecutive naturals, for example, 351948 + ... + 354761.

It is an arithmetic number, because the mean of its divisors is an integer number (96112560).

Almost surely, 2^994339563 is an apocalyptic number.

994339563 is a deficient number, since it is larger than the sum of its proper divisors (543461397).

994339563 is a wasteful number, since it uses less digits than its factorization.

994339563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 706786.

The product of its digits is 2361960, while the sum is 51.

The square root of 994339563 is about 31533.1502232175. The cubic root of 994339563 is about 998.1096163682.

The spelling of 994339563 in words is "nine hundred ninety-four million, three hundred thirty-nine thousand, five hundred sixty-three".