43860685 has 12 divisors (see below), whose sum is σ = 57853404. Its totient is φ = 31898240.

The previous prime is 43860631. The next prime is 43860689. The reversal of 43860685 is 58606834.

43860685 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 15163236 + 28697449 = 3894^2 + 5357^2 .

It is not a de Polignac number, because 43860685 - 2¹¹ = 43858637 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43860689) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 35644 + ... + 36853.

It is an arithmetic number, because the mean of its divisors is an integer number (4821117).

Almost surely, 2^43860685 is an apocalyptic number.

It is an amenable number.

43860685 is a deficient number, since it is larger than the sum of its proper divisors (13992719).

43860685 is a wasteful number, since it uses less digits than its factorization.

43860685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72524 (or 72513 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 40.

The square root of 43860685 is about 6622.7399918765. The cubic root of 43860685 is about 352.6618407452.

The spelling of 43860685 in words is "forty-three million, eight hundred sixty thousand, six hundred eighty-five".