8991246 has 32 divisors (see below), whose sum is σ = 19958400. Its totient is φ = 2677280.

The previous prime is 8991239. The next prime is 8991251. The reversal of 8991246 is 6421998.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2740 + ... + 5048.

It is an arithmetic number, because the mean of its divisors is an integer number (623700).

Almost surely, 2^8991246 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8991246, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9979200).

8991246 is an abundant number, since it is smaller than the sum of its proper divisors (10967154).

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

8991246 is a wasteful number, since it uses less digits than its factorization.

8991246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2384.

The product of its digits is 31104, while the sum is 39.

The square root of 8991246 is about 2998.5406450472. The cubic root of 8991246 is about 207.9409194876.

It can be divided in two parts, 899 and 1246, that added together give a triangular number (2145 = T₆₅).

The spelling of 8991246 in words is "eight million, nine hundred ninety-one thousand, two hundred forty-six".