43601138 has 8 divisors (see below), whose sum is σ = 74744832. Its totient is φ = 18686196.

The previous prime is 43601137. The next prime is 43601147. The reversal of 43601138 is 83110634.

43601138 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not an unprimeable number, because it can be changed into a prime (43601137) 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 3 ways as a sum of consecutive naturals, for example, 1557170 + ... + 1557197.

It is an arithmetic number, because the mean of its divisors is an integer number (9343104).

Almost surely, 2^43601138 is an apocalyptic number.

43601138 is a deficient number, since it is larger than the sum of its proper divisors (31143694).

43601138 is a wasteful number, since it uses less digits than its factorization.

43601138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3114376.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 43601138 is about 6603.1157796907. The cubic root of 43601138 is about 351.9648348566.

The spelling of 43601138 in words is "forty-three million, six hundred one thousand, one hundred thirty-eight".