10821008 has 20 divisors (see below), whose sum is σ = 22872048. Its totient is φ = 4918560.

The previous prime is 10821001. The next prime is 10821037. The reversal of 10821008 is 80012801.

It is not an unprimeable number, because it can be changed into a prime (10821001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30566 + ... + 30917.

Almost surely, 2^10821008 is an apocalyptic number.

It is an amenable number.

10821008 is an abundant number, since it is smaller than the sum of its proper divisors (12051040).

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

10821008 is a wasteful number, since it uses less digits than its factorization.

10821008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61502 (or 61496 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 20.

The square root of 10821008 is about 3289.5300576222. The cubic root of 10821008 is about 221.1851195590.

Adding to 10821008 its reverse (80012801), we get a palindrome (90833809).

The spelling of 10821008 in words is "ten million, eight hundred twenty-one thousand, eight".