404043214 has 4 divisors (see below), whose sum is σ = 606064824. Its totient is φ = 202021606.

The previous prime is 404043193. The next prime is 404043217. The reversal of 404043214 is 412340404.

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

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404043217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101010802 + ... + 101010805.

It is an arithmetic number, because the mean of its divisors is an integer number (151516206).

Almost surely, 2^404043214 is an apocalyptic number.

404043214 is a deficient number, since it is larger than the sum of its proper divisors (202021610).

404043214 is a wasteful number, since it uses less digits than its factorization.

404043214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202021609.

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 404043214 is about 20100.8262019251. The cubic root of 404043214 is about 739.2805364248.

Adding to 404043214 its reverse (412340404), we get a palindrome (816383618).

The spelling of 404043214 in words is "four hundred four million, forty-three thousand, two hundred fourteen".