1008321 has 12 divisors (see below), whose sum is σ = 1429392. Its totient is φ = 632128.

The previous prime is 1008317. The next prime is 1008323. The reversal of 1008321 is 1238001.

It is a happy number.

1008321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1008321 - 2² = 1008317 is a prime.

It is a super-2 number, since 2×1008321² = 2033422478082, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1008321.

It is not an unprimeable number, because it can be changed into a prime (1008323) 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, 286 + ... + 1448.

It is an arithmetic number, because the mean of its divisors is an integer number (119116).

2^1008321 is an apocalyptic number.

It is an amenable number.

1008321 is a deficient number, since it is larger than the sum of its proper divisors (421071).

1008321 is a wasteful number, since it uses less digits than its factorization.

1008321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1200 (or 1183 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 1008321 is about 1004.1518809423. The cubic root of 1008321 is about 100.2766008808.

The spelling of 1008321 in words is "one million, eight thousand, three hundred twenty-one".