404214413 has 4 divisors (see below), whose sum is σ = 404544540. Its totient is φ = 403884288.

The previous prime is 404214361. The next prime is 404214427. The reversal of 404214413 is 314412404.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 312476329 + 91738084 = 17677^2 + 9578^2 .

It is a cyclic number.

It is not a de Polignac number, because 404214413 - 2⁸ = 404214157 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 (404214463) 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, 163220 + ... + 165677.

It is an arithmetic number, because the mean of its divisors is an integer number (101136135).

Almost surely, 2^404214413 is an apocalyptic number.

It is an amenable number.

404214413 is a deficient number, since it is larger than the sum of its proper divisors (330127).

404214413 is a wasteful number, since it uses less digits than its factorization.

404214413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330126.

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 404214413 is about 20105.0842574708. The cubic root of 404214413 is about 739.3849363278.

Adding to 404214413 its reverse (314412404), we get a palindrome (718626817).

The spelling of 404214413 in words is "four hundred four million, two hundred fourteen thousand, four hundred thirteen".