43420814 has 32 divisors (see below), whose sum is σ = 70761600. Its totient is φ = 19919520.

The previous prime is 43420813. The next prime is 43420823. The reversal of 43420814 is 41802434.

It is a plaindrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43420813) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 239804 + ... + 239984.

It is an arithmetic number, because the mean of its divisors is an integer number (2211300).

Almost surely, 2^43420814 is an apocalyptic number.

43420814 is a deficient number, since it is larger than the sum of its proper divisors (27340786).

43420814 is a wasteful number, since it uses less digits than its factorization.

43420814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 368.

The product of its (nonzero) digits is 3072, while the sum is 26.

The square root of 43420814 is about 6589.4471695280. The cubic root of 43420814 is about 351.4789499524.

The spelling of 43420814 in words is "forty-three million, four hundred twenty thousand, eight hundred fourteen".