43190428 has 12 divisors (see below), whose sum is σ = 76332312. Its totient is φ = 21381200.

The previous prime is 43190423. The next prime is 43190429. The reversal of 43190428 is 82409134.

It is a self number, because there is not a number n which added to its sum of digits gives 43190428.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43190423) 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, 53050 + ... + 53857.

It is an arithmetic number, because the mean of its divisors is an integer number (6361026).

Almost surely, 2^43190428 is an apocalyptic number.

It is an amenable number.

43190428 is a deficient number, since it is larger than the sum of its proper divisors (33141884).

43190428 is a wasteful number, since it uses less digits than its factorization.

43190428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107012 (or 107010 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 43190428 is about 6571.9424830106. The cubic root of 43190428 is about 350.8562112103.

The spelling of 43190428 in words is "forty-three million, one hundred ninety thousand, four hundred twenty-eight".