8921003 has 12 divisors (see below), whose sum is σ = 11041488. Its totient is φ = 7057440.

The previous prime is 8920999. The next prime is 8921021. The reversal of 8921003 is 3001298.

8921003 is digitally balanced in base 2 and base 8, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 8921003 - 2² = 8920999 is a prime.

It is a Duffinian number.

8921003 is strictly pandigital in base 8.

It is a self number, because there is not a number n which added to its sum of digits gives 8921003.

It is not an unprimeable number, because it can be changed into a prime (8921053) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2588 + ... + 4953.

It is an arithmetic number, because the mean of its divisors is an integer number (920124).

Almost surely, 2^8921003 is an apocalyptic number.

8921003 is a deficient number, since it is larger than the sum of its proper divisors (2120485).

8921003 is a wasteful number, since it uses less digits than its factorization.

8921003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7574 (or 7561 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 8921003 is about 2986.8048145133. The cubic root of 8921003 is about 207.3979989311.

The spelling of 8921003 in words is "eight million, nine hundred twenty-one thousand, three".