43828897 has 8 divisors (see below), whose sum is σ = 50694336. Its totient is φ = 37114512.

The previous prime is 43828891. The next prime is 43828901. The reversal of 43828897 is 79882834.

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

It is a cyclic number.

It is not a de Polignac number, because 43828897 - 2¹⁹ = 43304609 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 43828897.

It is not an unprimeable number, because it can be changed into a prime (43828891) 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, 37138 + ... + 38299.

It is an arithmetic number, because the mean of its divisors is an integer number (6336792).

Almost surely, 2^43828897 is an apocalyptic number.

It is an amenable number.

43828897 is a deficient number, since it is larger than the sum of its proper divisors (6865439).

43828897 is an equidigital number, since it uses as much as digits as its factorization.

43828897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75527.

The product of its digits is 774144, while the sum is 49.

The square root of 43828897 is about 6620.3396438551. The cubic root of 43828897 is about 352.5766230159.

The spelling of 43828897 in words is "forty-three million, eight hundred twenty-eight thousand, eight hundred ninety-seven".