43238890 has 16 divisors (see below), whose sum is σ = 77948640. Its totient is φ = 17269200.

The previous prime is 43238857. The next prime is 43238891. The reversal of 43238890 is 9883234.

It is not an unprimeable number, because it can be changed into a prime (43238891) 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, 4465 + ... + 10315.

It is an arithmetic number, because the mean of its divisors is an integer number (4871790).

Almost surely, 2^43238890 is an apocalyptic number.

43238890 is a deficient number, since it is larger than the sum of its proper divisors (34709750).

43238890 is a wasteful number, since it uses less digits than its factorization.

43238890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6597.

The product of its (nonzero) digits is 41472, while the sum is 37.

The square root of 43238890 is about 6575.6284870725. The cubic root of 43238890 is about 350.9873887185.

The spelling of 43238890 in words is "forty-three million, two hundred thirty-eight thousand, eight hundred ninety".