401204321 has 8 divisors (see below), whose sum is σ = 464044224. Its totient is φ = 339745680.

The previous prime is 401204317. The next prime is 401204359. The reversal of 401204321 is 123402104.

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 401204321 - 2² = 401204317 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 401204321.

It is not an unprimeable number, because it can be changed into a prime (401224321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 344690 + ... + 345851.

It is an arithmetic number, because the mean of its divisors is an integer number (58005528).

Almost surely, 2^401204321 is an apocalyptic number.

It is an amenable number.

401204321 is a deficient number, since it is larger than the sum of its proper divisors (62839903).

401204321 is an equidigital number, since it uses as much as digits as its factorization.

401204321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 690631.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 401204321 is about 20030.0853967226. The cubic root of 401204321 is about 737.5450182612.

Adding to 401204321 its reverse (123402104), we get a palindrome (524606425).

The spelling of 401204321 in words is "four hundred one million, two hundred four thousand, three hundred twenty-one".