8966340 has 72 divisors (see below), whose sum is σ = 27507480. Its totient is φ = 2363904.

The previous prime is 8966339. The next prime is 8966341. The reversal of 8966340 is 436698.

It is an interprime number because it is at equal distance from previous prime (8966339) and next prime (8966341).

It can be written as a sum of positive squares in 4 ways, for example, as 3090564 + 5875776 = 1758^2 + 2424^2 .

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 8966295 and 8966304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8966341) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19392 + ... + 19848.

Almost surely, 2^8966340 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8966340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13753740).

8966340 is an abundant number, since it is smaller than the sum of its proper divisors (18541140).

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

8966340 is a wasteful number, since it uses less digits than its factorization.

8966340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 581 (or 576 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 8966340 is about 2994.3847448182. The cubic root of 8966340 is about 207.7487412332.

The spelling of 8966340 in words is "eight million, nine hundred sixty-six thousand, three hundred forty".