43494111 has 8 divisors (see below), whose sum is σ = 64435760. Its totient is φ = 28996056.

The previous prime is 43494091. The next prime is 43494133. The reversal of 43494111 is 11149434.

It is not a de Polignac number, because 43494111 - 2¹¹ = 43492063 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 1610893 = 43494111 / (4 + 3 + 4 + 9 + 4 + 1 + 1 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43494511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 805420 + ... + 805473.

It is an arithmetic number, because the mean of its divisors is an integer number (8054470).

Almost surely, 2^43494111 is an apocalyptic number.

43494111 is a deficient number, since it is larger than the sum of its proper divisors (20941649).

43494111 is a wasteful number, since it uses less digits than its factorization.

43494111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1610902 (or 1610896 counting only the distinct ones).

The product of its digits is 1728, while the sum is 27.

The square root of 43494111 is about 6595.0065200878. The cubic root of 43494111 is about 351.6766114551.

The spelling of 43494111 in words is "forty-three million, four hundred ninety-four thousand, one hundred eleven".