43085385 has 64 divisors (see below), whose sum is σ = 88473600. Its totient is φ = 19486656.

The previous prime is 43085359. The next prime is 43085401. The reversal of 43085385 is 58358034.

It is not a de Polignac number, because 43085385 - 2⁶ = 43085321 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 119836 + ... + 120194.

It is an arithmetic number, because the mean of its divisors is an integer number (1382400).

Almost surely, 2^43085385 is an apocalyptic number.

43085385 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

43085385 is an abundant number, since it is smaller than the sum of its proper divisors (45388215).

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

43085385 is a wasteful number, since it uses less digits than its factorization.

43085385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 507 (or 501 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The square root of 43085385 is about 6563.9458407272. The cubic root of 43085385 is about 350.5715423662.

The spelling of 43085385 in words is "forty-three million, eighty-five thousand, three hundred eighty-five".