43213328 has 10 divisors (see below), whose sum is σ = 83725854. Its totient is φ = 21606656.

The previous prime is 43213319. The next prime is 43213367. The reversal of 43213328 is 82331234.

It can be written as a sum of positive squares in only one way, i.e., 31047184 + 12166144 = 5572^2 + 3488^2 .

It is a junction number, because it is equal to n+sod(n) for n = 43213297 and 43213306.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1350401 + ... + 1350432.

Almost surely, 2^43213328 is an apocalyptic number.

It is an amenable number.

43213328 is a deficient number, since it is larger than the sum of its proper divisors (40512526).

43213328 is a wasteful number, since it uses less digits than its factorization.

43213328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2700841 (or 2700835 counting only the distinct ones).

The product of its digits is 3456, while the sum is 26.

The square root of 43213328 is about 6573.6845071847. The cubic root of 43213328 is about 350.9182094201.

The spelling of 43213328 in words is "forty-three million, two hundred thirteen thousand, three hundred twenty-eight".