43384225 has 6 divisors (see below), whose sum is σ = 53796470. Its totient is φ = 34707360.

The previous prime is 43384223. The next prime is 43384241. The reversal of 43384225 is 52248334.

It can be written as a sum of positive squares in 3 ways, for example, as 9290304 + 34093921 = 3048^2 + 5839^2 .

It is not a de Polignac number, because 43384225 - 2¹ = 43384223 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43384223) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 867660 + ... + 867709.

Almost surely, 2^43384225 is an apocalyptic number.

It is an amenable number.

43384225 is a deficient number, since it is larger than the sum of its proper divisors (10412245).

43384225 is a wasteful number, since it uses less digits than its factorization.

43384225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1735379 (or 1735374 counting only the distinct ones).

The product of its digits is 23040, while the sum is 31.

The square root of 43384225 is about 6586.6702513486. The cubic root of 43384225 is about 351.3801964124.

The spelling of 43384225 in words is "forty-three million, three hundred eighty-four thousand, two hundred twenty-five".