8621208 has 64 divisors (see below), whose sum is σ = 24192000. Its totient is φ = 2844576.

The previous prime is 8621201. The next prime is 8621209. The reversal of 8621208 is 8021268.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8621201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35953 + ... + 36191.

It is an arithmetic number, because the mean of its divisors is an integer number (378000).

Almost surely, 2^8621208 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 8621208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12096000).

8621208 is an abundant number, since it is smaller than the sum of its proper divisors (15570792).

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

8621208 is a wasteful number, since it uses less digits than its factorization.

8621208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 421 (or 411 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

The square root of 8621208 is about 2936.1893671901. The cubic root of 8621208 is about 205.0482377066.

The spelling of 8621208 in words is "eight million, six hundred twenty-one thousand, two hundred eight".