404214001 has 2 divisors, whose sum is σ = 404214002. Its totient is φ = 404214000.

The previous prime is 404213939. The next prime is 404214017. The reversal of 404214001 is 100412404.

It is an a-pointer prime, because the next prime (404214017) can be obtained adding 404214001 to its sum of digits (16).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 208773601 + 195440400 = 14449^2 + 13980^2 .

It is a cyclic number.

It is not a de Polignac number, because 404214001 - 2²⁷ = 269996273 is a prime.

It is not a weakly prime, because it can be changed into another prime (404214071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202107000 + 202107001.

It is an arithmetic number, because the mean of its divisors is an integer number (202107001).

Almost surely, 2^404214001 is an apocalyptic number.

It is an amenable number.

404214001 is a deficient number, since it is larger than the sum of its proper divisors (1).

404214001 is an equidigital number, since it uses as much as digits as its factorization.

404214001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 404214001 is about 20105.0740113037. The cubic root of 404214001 is about 739.3846851190.

Adding to 404214001 its reverse (100412404), we get a palindrome (504626405).

The spelling of 404214001 in words is "four hundred four million, two hundred fourteen thousand, one".