43087938 has 8 divisors (see below), whose sum is σ = 86175888. Its totient is φ = 14362644.

The previous prime is 43087931. The next prime is 43087951. The reversal of 43087938 is 83978034.

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

43087938 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 43087938.

It is not an unprimeable number, because it can be changed into a prime (43087931) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3590656 + ... + 3590667.

It is an arithmetic number, because the mean of its divisors is an integer number (10771986).

Almost surely, 2^43087938 is an apocalyptic number.

43087938 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

43087938 is a wasteful number, since it uses less digits than its factorization.

43087938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7181328.

The product of its (nonzero) digits is 145152, while the sum is 42.

The square root of 43087938 is about 6564.1403092865. The cubic root of 43087938 is about 350.5784665353.

It can be divided in two parts, 4308 and 7938, that added together give a triangular number (12246 = T₁₅₆).

The spelling of 43087938 in words is "forty-three million, eighty-seven thousand, nine hundred thirty-eight".