8921282 has 4 divisors (see below), whose sum is σ = 13381926. Its totient is φ = 4460640.

The previous prime is 8921267. The next prime is 8921287. The reversal of 8921282 is 2821298.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 7778521 + 1142761 = 2789^2 + 1069^2 .

It is not an unprimeable number, because it can be changed into a prime (8921287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2230319 + ... + 2230322.

Almost surely, 2^8921282 is an apocalyptic number.

8921282 is a deficient number, since it is larger than the sum of its proper divisors (4460644).

8921282 is a wasteful number, since it uses less digits than its factorization.

8921282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4460643.

The product of its digits is 4608, while the sum is 32.

The square root of 8921282 is about 2986.8515195771. The cubic root of 8921282 is about 207.4001609989.

The spelling of 8921282 in words is "eight million, nine hundred twenty-one thousand, two hundred eighty-two".