9080921 has 4 divisors (see below), whose sum is σ = 9088692. Its totient is φ = 9073152.

The previous prime is 9080833. The next prime is 9080927. The reversal of 9080921 is 1290809.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 5470921 + 3610000 = 2339^2 + 1900^2 .

It is a cyclic number.

It is not a de Polignac number, because 9080921 - 2²² = 4886617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9080927) 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, 1736 + ... + 4601.

It is an arithmetic number, because the mean of its divisors is an integer number (2272173).

Almost surely, 2^9080921 is an apocalyptic number.

It is an amenable number.

9080921 is a deficient number, since it is larger than the sum of its proper divisors (7771).

9080921 is a wasteful number, since it uses less digits than its factorization.

9080921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7770.

The product of its (nonzero) digits is 1296, while the sum is 29.

The square root of 9080921 is about 3013.4566530813. The cubic root of 9080921 is about 208.6299396869.

It can be divided in two parts, 9080 and 921, that added together give a palindrome (10001).

The spelling of 9080921 in words is "nine million, eighty thousand, nine hundred twenty-one".