43850987 has 8 divisors (see below), whose sum is σ = 45517440. Its totient is φ = 42194880.

The previous prime is 43850977. The next prime is 43851001. The reversal of 43850987 is 78905834.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 43850987 - 2⁴ = 43850971 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43850977) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6662 + ... + 11492.

It is an arithmetic number, because the mean of its divisors is an integer number (5689680).

Almost surely, 2^43850987 is an apocalyptic number.

43850987 is a deficient number, since it is larger than the sum of its proper divisors (1666453).

43850987 is a wasteful number, since it uses less digits than its factorization.

43850987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5173.

The product of its (nonzero) digits is 241920, while the sum is 44.

The square root of 43850987 is about 6622.0077771020. The cubic root of 43850987 is about 352.6358465727.

The spelling of 43850987 in words is "forty-three million, eight hundred fifty thousand, nine hundred eighty-seven".