8915994 has 40 divisors (see below), whose sum is σ = 20420928. Its totient is φ = 2906280.

The previous prime is 8915993. The next prime is 8915999. The reversal of 8915994 is 4995198.

It is not an unprimeable number, because it can be changed into a prime (8915993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 7029 + ... + 8199.

Almost surely, 2^8915994 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8915994, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10210464).

8915994 is an abundant number, since it is smaller than the sum of its proper divisors (11504934).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8915994 is a wasteful number, since it uses less digits than its factorization.

8915994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1232 (or 1223 counting only the distinct ones).

The product of its digits is 116640, while the sum is 45.

The square root of 8915994 is about 2985.9661752940. The cubic root of 8915994 is about 207.3591747813.

It can be divided in two parts, 89159 and 94, that added together give a triangular number (89253 = T₄₂₂).

The spelling of 8915994 in words is "eight million, nine hundred fifteen thousand, nine hundred ninety-four".