43129964 has 6 divisors (see below), whose sum is σ = 75477444. Its totient is φ = 21564980.

The previous prime is 43129951. The next prime is 43130027. The reversal of 43129964 is 46992134.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5391242 + ... + 5391249.

It is an arithmetic number, because the mean of its divisors is an integer number (12579574).

Almost surely, 2^43129964 is an apocalyptic number.

It is an amenable number.

43129964 is a deficient number, since it is larger than the sum of its proper divisors (32347480).

43129964 is a wasteful number, since it uses less digits than its factorization.

43129964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10782495 (or 10782493 counting only the distinct ones).

The product of its digits is 46656, while the sum is 38.

The square root of 43129964 is about 6567.3407099069. The cubic root of 43129964 is about 350.6924088883.

The spelling of 43129964 in words is "forty-three million, one hundred twenty-nine thousand, nine hundred sixty-four".