43120385 has 32 divisors (see below), whose sum is σ = 65912832. Its totient is φ = 26297280.

The previous prime is 43120373. The next prime is 43120393. The reversal of 43120385 is 58302134.

It is not a de Polignac number, because 43120385 - 2⁴ = 43120369 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16904 + ... + 19286.

It is an arithmetic number, because the mean of its divisors is an integer number (2059776).

Almost surely, 2^43120385 is an apocalyptic number.

It is an amenable number.

43120385 is a deficient number, since it is larger than the sum of its proper divisors (22792447).

43120385 is a wasteful number, since it uses less digits than its factorization.

43120385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2453.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 43120385 is about 6566.6113787859. The cubic root of 43120385 is about 350.6664444853. Note that the first 3 decimals are identical.

The spelling of 43120385 in words is "forty-three million, one hundred twenty thousand, three hundred eighty-five".