80003921 has 8 divisors (see below), whose sum is σ = 84801024. Its totient is φ = 75216960.

The previous prime is 80003909. The next prime is 80003939. The reversal of 80003921 is 12930008.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 80003921 - 2⁶ = 80003857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80003321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19016 + ... + 22838.

It is an arithmetic number, because the mean of its divisors is an integer number (10600128).

Almost surely, 2^80003921 is an apocalyptic number.

It is an amenable number.

80003921 is a deficient number, since it is larger than the sum of its proper divisors (4797103).

80003921 is a wasteful number, since it uses less digits than its factorization.

80003921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5071.

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

The square root of 80003921 is about 8944.4910978769. The cubic root of 80003921 is about 430.8939775067.

Adding to 80003921 its reverse (12930008), we get a palindrome (92933929).

The spelling of 80003921 in words is "eighty million, three thousand, nine hundred twenty-one".