8621332 has 6 divisors (see below), whose sum is σ = 15087338. Its totient is φ = 4310664.

The previous prime is 8621309. The next prime is 8621339. The reversal of 8621332 is 2331268.

8621332 is nontrivially palindromic in base 3.

8621332 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 4605316 + 4016016 = 2146^2 + 2004^2 .

It is a junction number, because it is equal to n+sod(n) for n = 8621297 and 8621306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8621339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1077663 + ... + 1077670.

Almost surely, 2^8621332 is an apocalyptic number.

It is an amenable number.

8621332 is a deficient number, since it is larger than the sum of its proper divisors (6466006).

8621332 is a wasteful number, since it uses less digits than its factorization.

8621332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2155337 (or 2155335 counting only the distinct ones).

The product of its digits is 1728, while the sum is 25.

The square root of 8621332 is about 2936.2104829184. The cubic root of 8621332 is about 205.0492207807.

Subtracting from 8621332 its reverse (2331268), we obtain a square (6290064 = 2508²).

The spelling of 8621332 in words is "eight million, six hundred twenty-one thousand, three hundred thirty-two".