43230649 has 16 divisors (see below), whose sum is σ = 54195840. Its totient is φ = 33500160.

The previous prime is 43230637. The next prime is 43230653. The reversal of 43230649 is 94603234.

It is a cyclic number.

It is not a de Polignac number, because 43230649 - 2¹⁹ = 42706361 is a prime.

It is a super-2 number, since 2×43230649² = 3737778025922402, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 43230649.

It is not an unprimeable number, because it can be changed into a prime (43230659) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13407 + ... + 16315.

It is an arithmetic number, because the mean of its divisors is an integer number (3387240).

Almost surely, 2^43230649 is an apocalyptic number.

It is an amenable number.

43230649 is a deficient number, since it is larger than the sum of its proper divisors (10965191).

43230649 is a wasteful number, since it uses less digits than its factorization.

43230649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3120.

The product of its (nonzero) digits is 15552, while the sum is 31.

The square root of 43230649 is about 6575.0018250948. The cubic root of 43230649 is about 350.9650888025.

The spelling of 43230649 in words is "forty-three million, two hundred thirty thousand, six hundred forty-nine".