401443214 has 4 divisors (see below), whose sum is σ = 602164824. Its totient is φ = 200721606.

The previous prime is 401443193. The next prime is 401443223. The reversal of 401443214 is 412344104.

It is a happy number.

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

It is a super-2 number, since 2×401443214² = 322313308133299592, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 401443214.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100360802 + ... + 100360805.

It is an arithmetic number, because the mean of its divisors is an integer number (150541206).

Almost surely, 2^401443214 is an apocalyptic number.

401443214 is a deficient number, since it is larger than the sum of its proper divisors (200721610).

401443214 is a wasteful number, since it uses less digits than its factorization.

401443214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200721609.

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

The square root of 401443214 is about 20036.0478637879. The cubic root of 401443214 is about 737.6913770892.

Adding to 401443214 its reverse (412344104), we get a palindrome (813787318).

The spelling of 401443214 in words is "four hundred one million, four hundred forty-three thousand, two hundred fourteen".