43834442 has 4 divisors (see below), whose sum is σ = 65751666. Its totient is φ = 21917220.

The previous prime is 43834429. The next prime is 43834471. The reversal of 43834442 is 24443834.

43834442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24443834 = 2 ⋅12221917.

It can be written as a sum of positive squares in only one way, i.e., 27762361 + 16072081 = 5269^2 + 4009^2 .

It is a junction number, because it is equal to n+sod(n) for n = 43834399 and 43834408.

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 as a sum of consecutive naturals, namely, 10958609 + ... + 10958612.

Almost surely, 2^43834442 is an apocalyptic number.

43834442 is a deficient number, since it is larger than the sum of its proper divisors (21917224).

43834442 is a wasteful number, since it uses less digits than its factorization.

43834442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21917223.

The product of its digits is 36864, while the sum is 32.

The square root of 43834442 is about 6620.7584157708. The cubic root of 43834442 is about 352.5914910982.

The spelling of 43834442 in words is "forty-three million, eight hundred thirty-four thousand, four hundred forty-two".