9943995 has 16 divisors (see below), whose sum is σ = 15950592. Its totient is φ = 5290080.

The previous prime is 9943993. The next prime is 9944029. The reversal of 9943995 is 5993499.

It is not a de Polignac number, because 9943995 - 2¹ = 9943993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9943993) 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, 9130 + ... + 10160.

It is an arithmetic number, because the mean of its divisors is an integer number (996912).

Almost surely, 2^9943995 is an apocalyptic number.

9943995 is a deficient number, since it is larger than the sum of its proper divisors (6006597).

9943995 is a wasteful number, since it uses less digits than its factorization.

9943995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1682.

The product of its digits is 393660, while the sum is 48.

The square root of 9943995 is about 3153.4100589679. The cubic root of 9943995 is about 215.0405187740.

The spelling of 9943995 in words is "nine million, nine hundred forty-three thousand, nine hundred ninety-five".