443420414 has 4 divisors (see below), whose sum is σ = 665130624. Its totient is φ = 221710206.

The previous prime is 443420413. The next prime is 443420431. The reversal of 443420414 is 414024344.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (443420413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110855102 + ... + 110855105.

It is an arithmetic number, because the mean of its divisors is an integer number (166282656).

Almost surely, 2^443420414 is an apocalyptic number.

443420414 is a deficient number, since it is larger than the sum of its proper divisors (221710210).

443420414 is a wasteful number, since it uses less digits than its factorization.

443420414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221710209.

The product of its (nonzero) digits is 6144, while the sum is 26.

The square root of 443420414 is about 21057.5500474295. The cubic root of 443420414 is about 762.5562665278.

Adding to 443420414 its reverse (414024344), we get a palindrome (857444758).

The spelling of 443420414 in words is "four hundred forty-three million, four hundred twenty thousand, four hundred fourteen".