43420476 has 96 divisors (see below), whose sum is σ = 115831296. Its totient is φ = 12544000.

The previous prime is 43420463. The next prime is 43420513. The reversal of 43420476 is 67402434.

43420476 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 384196 + ... + 384308.

It is an arithmetic number, because the mean of its divisors is an integer number (1206576).

Almost surely, 2^43420476 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 43420476, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57915648).

43420476 is an abundant number, since it is smaller than the sum of its proper divisors (72410820).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

43420476 is a wasteful number, since it uses less digits than its factorization.

43420476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243 (or 241 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 30.

The square root of 43420476 is about 6589.4215224100. The cubic root of 43420476 is about 351.4780379459.

It can be divided in two parts, 434 and 20476, that added together give a triangular number (20910 = T₂₀₄).

The spelling of 43420476 in words is "forty-three million, four hundred twenty thousand, four hundred seventy-six".