43897968 has 30 divisors (see below), whose sum is σ = 122853744. Its totient is φ = 14632608.

The previous prime is 43897949. The next prime is 43897981. The reversal of 43897968 is 86979834.

43897968 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 152280 + ... + 152567.

Almost surely, 2^43897968 is an apocalyptic number.

43897968 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

43897968 is an abundant number, since it is smaller than the sum of its proper divisors (78955776).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

43897968 is a wasteful number, since it uses less digits than its factorization.

43897968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304861 (or 304852 counting only the distinct ones).

The product of its digits is 2612736, while the sum is 54.

The square root of 43897968 is about 6625.5541655019. The cubic root of 43897968 is about 352.7617371001.

The spelling of 43897968 in words is "forty-three million, eight hundred ninety-seven thousand, nine hundred sixty-eight".