43494505 has 16 divisors (see below), whose sum is σ = 54224640. Its totient is φ = 33467392.

The previous prime is 43494463. The next prime is 43494511. The reversal of 43494505 is 50549434.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 43494505 - 2¹⁹ = 42970217 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12297 + ... + 15433.

It is an arithmetic number, because the mean of its divisors is an integer number (3389040).

Almost surely, 2^43494505 is an apocalyptic number.

It is an amenable number.

43494505 is a deficient number, since it is larger than the sum of its proper divisors (10730135).

43494505 is a wasteful number, since it uses less digits than its factorization.

43494505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3248.

The product of its (nonzero) digits is 43200, while the sum is 34.

The square root of 43494505 is about 6595.0363911051. The cubic root of 43494505 is about 351.6776733625.

The spelling of 43494505 in words is "forty-three million, four hundred ninety-four thousand, five hundred five".