406314321 has 24 divisors (see below), whose sum is σ = 631260864. Its totient is φ = 231789600.

The previous prime is 406314317. The next prime is 406314323. The reversal of 406314321 is 123413604.

It is not a de Polignac number, because 406314321 - 2² = 406314317 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 406314291 and 406314300.

It is not an unprimeable number, because it can be changed into a prime (406314323) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 101076 + ... + 105018.

It is an arithmetic number, because the mean of its divisors is an integer number (26302536).

Almost surely, 2^406314321 is an apocalyptic number.

It is an amenable number.

406314321 is a deficient number, since it is larger than the sum of its proper divisors (224946543).

406314321 is a wasteful number, since it uses less digits than its factorization.

406314321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4661 (or 4654 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 406314321 is about 20157.2399152265. The cubic root of 406314321 is about 740.6631023642.

Adding to 406314321 its reverse (123413604), we get a palindrome (529727925).

The spelling of 406314321 in words is "four hundred six million, three hundred fourteen thousand, three hundred twenty-one".