8969850 has 72 divisors (see below), whose sum is σ = 24915072. Its totient is φ = 2311200.

The previous prime is 8969813. The next prime is 8969887. The reversal of 8969850 is 589698.

8969850 = 233² + 234² + ... + 340².

It is an interprime number because it is at equal distance from previous prime (8969813) and next prime (8969887).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an alternating number because its digits alternate between even and odd.

It is a junction number, because it is equal to n+sod(n) for n = 8969796 and 8969805.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 13629 + ... + 14271.

Almost surely, 2^8969850 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8969850, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12457536).

8969850 is an abundant number, since it is smaller than the sum of its proper divisors (15945222).

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

8969850 is a wasteful number, since it uses less digits than its factorization.

8969850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 692 (or 684 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 45.

The square root of 8969850 is about 2994.9707844986. The cubic root of 8969850 is about 207.7758464196.

The spelling of 8969850 in words is "eight million, nine hundred sixty-nine thousand, eight hundred fifty".