43209968 has 10 divisors (see below), whose sum is σ = 83719344. Its totient is φ = 21604976.

The previous prime is 43209931. The next prime is 43209979. The reversal of 43209968 is 86990234.

It is a happy number.

It is a super-2 number, since 2×43209968² = 3734202669122048, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1350296 + ... + 1350327.

Almost surely, 2^43209968 is an apocalyptic number.

It is an amenable number.

43209968 is a deficient number, since it is larger than the sum of its proper divisors (40509376).

43209968 is a wasteful number, since it uses less digits than its factorization.

43209968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2700631 (or 2700625 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 41.

The square root of 43209968 is about 6573.4289377767. The cubic root of 43209968 is about 350.9091141109.

The spelling of 43209968 in words is "forty-three million, two hundred nine thousand, nine hundred sixty-eight".