38440043 has 8 divisors (see below), whose sum is σ = 40875840. Its totient is φ = 36023680.

The previous prime is 38440027. The next prime is 38440067. The reversal of 38440043 is 34004483.

It is a happy number.

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

It is not a de Polignac number, because 38440043 - 2⁴ = 38440027 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 38439994 and 38440021.

It is not an unprimeable number, because it can be changed into a prime (38440013) 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, 668 + ... + 8793.

It is an arithmetic number, because the mean of its divisors is an integer number (5109480).

Almost surely, 2^38440043 is an apocalyptic number.

38440043 is a deficient number, since it is larger than the sum of its proper divisors (2435797).

38440043 is a wasteful number, since it uses less digits than its factorization.

38440043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9717.

The product of its (nonzero) digits is 4608, while the sum is 26.

The square root of 38440043 is about 6200.0034677410. The cubic root of 38440043 is about 337.4902947369.

The spelling of 38440043 in words is "thirty-eight million, four hundred forty thousand, forty-three".