8840031421 has 8 divisors (see below), whose sum is σ = 9521795360. Its totient is φ = 8158519152.

The previous prime is 8840031397. The next prime is 8840031427. The reversal of 8840031421 is 1241300488.

8840031421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8840031421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8840031427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13486 + ... + 133648.

It is an arithmetic number, because the mean of its divisors is an integer number (1190224420).

Almost surely, 2^8840031421 is an apocalyptic number.

It is an amenable number.

8840031421 is a deficient number, since it is larger than the sum of its proper divisors (681763939).

8840031421 is a wasteful number, since it uses less digits than its factorization.

8840031421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125835.

The product of its (nonzero) digits is 6144, while the sum is 31.

The square root of 8840031421 is about 94021.4412833583. The cubic root of 8840031421 is about 2067.6860746258.

The spelling of 8840031421 in words is "eight billion, eight hundred forty million, thirty-one thousand, four hundred twenty-one".