43328138 has 32 divisors (see below), whose sum is σ = 79035264. Its totient is φ = 17390592.

The previous prime is 43328123. The next prime is 43328141. The reversal of 43328138 is 83182334.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72770 + ... + 73362.

It is an arithmetic number, because the mean of its divisors is an integer number (2469852).

Almost surely, 2^43328138 is an apocalyptic number.

43328138 is a deficient number, since it is larger than the sum of its proper divisors (35707126).

43328138 is a wasteful number, since it uses less digits than its factorization.

43328138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 926.

The product of its digits is 13824, while the sum is 32.

The square root of 43328138 is about 6582.4112603209. The cubic root of 43328138 is about 351.2287100143.

The spelling of 43328138 in words is "forty-three million, three hundred twenty-eight thousand, one hundred thirty-eight".