999942965 has 8 divisors (see below), whose sum is σ = 1371350400. Its totient is φ = 685675152.

The previous prime is 999942947. The next prime is 999943003. The reversal of 999942965 is 569249999.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 999942965 - 2¹⁰ = 999941941 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 999942898 and 999942907.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14284865 + ... + 14284934.

It is an arithmetic number, because the mean of its divisors is an integer number (171418800).

Almost surely, 2^999942965 is an apocalyptic number.

It is an amenable number.

999942965 is a deficient number, since it is larger than the sum of its proper divisors (371407435).

999942965 is a wasteful number, since it uses less digits than its factorization.

999942965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28569811.

The product of its digits is 14171760, while the sum is 62.

The square root of 999942965 is about 31621.8747862931. The cubic root of 999942965 is about 999.9809879719.

The spelling of 999942965 in words is "nine hundred ninety-nine million, nine hundred forty-two thousand, nine hundred sixty-five".