43660441 has 8 divisors (see below), whose sum is σ = 48006144. Its totient is φ = 39377520.

The previous prime is 43660363. The next prime is 43660447. The reversal of 43660441 is 14406634.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 43660441 - 2¹⁵ = 43627673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43660447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14230 + ... + 17023.

It is an arithmetic number, because the mean of its divisors is an integer number (6000768).

Almost surely, 2^43660441 is an apocalyptic number.

It is an amenable number.

43660441 is a deficient number, since it is larger than the sum of its proper divisors (4345703).

43660441 is a wasteful number, since it uses less digits than its factorization.

43660441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31391.

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 43660441 is about 6607.6047853969. The cubic root of 43660441 is about 352.1243346281.

It can be divided in two parts, 436604 and 41, that added together give a triangular number (436645 = T₉₃₄).

The spelling of 43660441 in words is "forty-three million, six hundred sixty thousand, four hundred forty-one".