43285986 has 12 divisors (see below), whose sum is σ = 93786342. Its totient is φ = 14428656.

The previous prime is 43285981. The next prime is 43285987. The reversal of 43285986 is 68958234.

It can be written as a sum of positive squares in only one way, i.e., 42653961 + 632025 = 6531^2 + 795^2 .

It is not an unprimeable number, because it can be changed into a prime (43285981) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1202371 + ... + 1202406.

Almost surely, 2^43285986 is an apocalyptic number.

43285986 is an abundant number, since it is smaller than the sum of its proper divisors (50500356).

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

43285986 is a wasteful number, since it uses less digits than its factorization.

43285986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2404785 (or 2404782 counting only the distinct ones).

The product of its digits is 414720, while the sum is 45.

The square root of 43285986 is about 6579.2086150235. The cubic root of 43285986 is about 351.1147748450.

The spelling of 43285986 in words is "forty-three million, two hundred eighty-five thousand, nine hundred eighty-six".