43438412 has 6 divisors (see below), whose sum is σ = 76017228. Its totient is φ = 21719204.

The previous prime is 43438411. The next prime is 43438441. The reversal of 43438412 is 21483434.

It is not an unprimeable number, because it can be changed into a prime (43438411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5429798 + ... + 5429805.

It is an arithmetic number, because the mean of its divisors is an integer number (12669538).

Almost surely, 2^43438412 is an apocalyptic number.

It is an amenable number.

43438412 is a deficient number, since it is larger than the sum of its proper divisors (32578816).

43438412 is a wasteful number, since it uses less digits than its factorization.

43438412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10859607 (or 10859605 counting only the distinct ones).

The product of its digits is 9216, while the sum is 29.

The square root of 43438412 is about 6590.7823511325. The cubic root of 43438412 is about 351.5264271149.

The spelling of 43438412 in words is "forty-three million, four hundred thirty-eight thousand, four hundred twelve".