8921230401 has 4 divisors (see below), whose sum is σ = 11894973872. Its totient is φ = 5947486932.

The previous prime is 8921230399. The next prime is 8921230421. The reversal of 8921230401 is 1040321298.

8921230401 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 8921230401 - 2¹ = 8921230399 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (8921230421) 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, 1486871731 + ... + 1486871736.

It is an arithmetic number, because the mean of its divisors is an integer number (2973743468).

Almost surely, 2^8921230401 is an apocalyptic number.

It is an amenable number.

8921230401 is a deficient number, since it is larger than the sum of its proper divisors (2973743471).

8921230401 is a wasteful number, since it uses less digits than its factorization.

8921230401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2973743470.

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 8921230401 is about 94452.2651978236. The cubic root of 8921230401 is about 2073.9976114373.

Adding to 8921230401 its reverse (1040321298), we get a palindrome (9961551699).

The spelling of 8921230401 in words is "eight billion, nine hundred twenty-one million, two hundred thirty thousand, four hundred one".