43244397 has 24 divisors (see below), whose sum is σ = 72373184. Its totient is φ = 24369984.

The previous prime is 43244387. The next prime is 43244401. The reversal of 43244397 is 79344234.

It is not a de Polignac number, because 43244397 - 2¹¹ = 43242349 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43244387) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 103 + ... + 9300.

Almost surely, 2^43244397 is an apocalyptic number.

It is an amenable number.

43244397 is a deficient number, since it is larger than the sum of its proper divisors (29128787).

43244397 is a wasteful number, since it uses less digits than its factorization.

43244397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9489 (or 9486 counting only the distinct ones).

The product of its digits is 72576, while the sum is 36.

The square root of 43244397 is about 6576.0472169838. The cubic root of 43244397 is about 351.0022889275.

The spelling of 43244397 in words is "forty-three million, two hundred forty-four thousand, three hundred ninety-seven".