9855994 has 8 divisors (see below), whose sum is σ = 15098688. Its totient is φ = 4823100.

The previous prime is 9855991. The next prime is 9855997. The reversal of 9855994 is 4995589.

It is an interprime number because it is at equal distance from previous prime (9855991) and next prime (9855997).

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

It is not an unprimeable number, because it can be changed into a prime (9855991) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52332 + ... + 52519.

It is an arithmetic number, because the mean of its divisors is an integer number (1887336).

Almost surely, 2^9855994 is an apocalyptic number.

9855994 is a gapful number since it is divisible by the number (94) formed by its first and last digit.

9855994 is a deficient number, since it is larger than the sum of its proper divisors (5242694).

9855994 is a wasteful number, since it uses less digits than its factorization.

9855994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104900.

The product of its digits is 583200, while the sum is 49.

The square root of 9855994 is about 3139.4257436671. The cubic root of 9855994 is about 214.4042929312.

The spelling of 9855994 in words is "nine million, eight hundred fifty-five thousand, nine hundred ninety-four".