43291968 has 28 divisors (see below), whose sum is σ = 114543840. Its totient is φ = 14430592.

The previous prime is 43291943. The next prime is 43292009. The reversal of 43291968 is 86919234.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 112548 + ... + 112931.

Almost surely, 2^43291968 is an apocalyptic number.

43291968 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

43291968 is an abundant number, since it is smaller than the sum of its proper divisors (71251872).

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

43291968 is a wasteful number, since it uses less digits than its factorization.

43291968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225494 (or 225484 counting only the distinct ones).

The product of its digits is 93312, while the sum is 42.

The square root of 43291968 is about 6579.6632132656. The cubic root of 43291968 is about 351.1309484540.

The spelling of 43291968 in words is "forty-three million, two hundred ninety-one thousand, nine hundred sixty-eight".