9993895 has 8 divisors (see below), whose sum is σ = 12144960. Its totient is φ = 7893600.

The previous prime is 9993887. The next prime is 9993901. The reversal of 9993895 is 5983999.

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

It is not a de Polignac number, because 9993895 - 2³ = 9993887 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12256 + ... + 13045.

It is an arithmetic number, because the mean of its divisors is an integer number (1518120).

Almost surely, 2^9993895 is an apocalyptic number.

9993895 is a deficient number, since it is larger than the sum of its proper divisors (2151065).

9993895 is a wasteful number, since it uses less digits than its factorization.

9993895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25385.

The product of its digits is 787320, while the sum is 52.

The square root of 9993895 is about 3161.3122275410. The cubic root of 9993895 is about 215.3996173322.

The spelling of 9993895 in words is "nine million, nine hundred ninety-three thousand, eight hundred ninety-five".