43940147 has 8 divisors (see below), whose sum is σ = 44436000. Its totient is φ = 43447104.

The previous prime is 43940077. The next prime is 43940153. The reversal of 43940147 is 74104934.

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 43940147 - 2¹⁰ = 43939123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43940167) 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, 47354 + ... + 48272.

It is an arithmetic number, because the mean of its divisors is an integer number (5554500).

Almost surely, 2^43940147 is an apocalyptic number.

43940147 is a deficient number, since it is larger than the sum of its proper divisors (495853).

43940147 is a wasteful number, since it uses less digits than its factorization.

43940147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1405.

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 43940147 is about 6628.7364557659. The cubic root of 43940147 is about 352.8746836671.

The spelling of 43940147 in words is "forty-three million, nine hundred forty thousand, one hundred forty-seven".