43394141 has 16 divisors (see below), whose sum is σ = 51437568. Its totient is φ = 35823600.

The previous prime is 43394137. The next prime is 43394161. The reversal of 43394141 is 14149334.

It is not a de Polignac number, because 43394141 - 2² = 43394137 is a prime.

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43394101) 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, 67166 + ... + 67808.

It is an arithmetic number, because the mean of its divisors is an integer number (3214848).

Almost surely, 2^43394141 is an apocalyptic number.

It is an amenable number.

43394141 is a deficient number, since it is larger than the sum of its proper divisors (8043427).

43394141 is a wasteful number, since it uses less digits than its factorization.

43394141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 992.

The product of its digits is 5184, while the sum is 29.

The square root of 43394141 is about 6587.4229407258. The cubic root of 43394141 is about 351.4069651331.

The spelling of 43394141 in words is "forty-three million, three hundred ninety-four thousand, one hundred forty-one".