9914999 has 4 divisors (see below), whose sum is σ = 9969960. Its totient is φ = 9860040.

The previous prime is 9914987. The next prime is 9915041. The reversal of 9914999 is 9994199.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9994199 = 2963 ⋅3373.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9914999 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9914929) 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, 27209 + ... + 27570.

It is an arithmetic number, because the mean of its divisors is an integer number (2492490).

Almost surely, 2^9914999 is an apocalyptic number.

9914999 is a deficient number, since it is larger than the sum of its proper divisors (54961).

9914999 is a wasteful number, since it uses less digits than its factorization.

9914999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54960.

The product of its digits is 236196, while the sum is 50.

The square root of 9914999 is about 3148.8091399766. The cubic root of 9914999 is about 214.8313008725.

The spelling of 9914999 in words is "nine million, nine hundred fourteen thousand, nine hundred ninety-nine".