994339565 has 16 divisors (see below), whose sum is σ = 1246589568. Its totient is φ = 759967296.

The previous prime is 994339553. The next prime is 994339579. The reversal of 994339565 is 565933499.

It is a cyclic number.

It is not a de Polignac number, because 994339565 - 2¹² = 994335469 is a prime.

It is a super-2 number, since 2×994339565² = 1977422341048778450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 99539 + ... + 109071.

It is an arithmetic number, because the mean of its divisors is an integer number (77911848).

Almost surely, 2^994339565 is an apocalyptic number.

It is an amenable number.

994339565 is a deficient number, since it is larger than the sum of its proper divisors (252250003).

994339565 is a wasteful number, since it uses less digits than its factorization.

994339565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10468.

The product of its digits is 3936600, while the sum is 53.

The square root of 994339565 is about 31533.1502549301. The cubic root of 994339565 is about 998.1096170374.

The spelling of 994339565 in words is "nine hundred ninety-four million, three hundred thirty-nine thousand, five hundred sixty-five".