43694345 has 16 divisors (see below), whose sum is σ = 54405120. Its totient is φ = 33652800.

The previous prime is 43694333. The next prime is 43694353. The reversal of 43694345 is 54349634.

It is a happy number.

It is not a de Polignac number, because 43694345 - 2¹⁴ = 43677961 is a prime.

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

It is a junction number, because it is equal to n+sod(n) for n = 43694299 and 43694308.

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, 34880 + ... + 36110.

It is an arithmetic number, because the mean of its divisors is an integer number (3400320).

Almost surely, 2^43694345 is an apocalyptic number.

It is an amenable number.

43694345 is a deficient number, since it is larger than the sum of its proper divisors (10710775).

43694345 is a wasteful number, since it uses less digits than its factorization.

43694345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1496.

The product of its digits is 155520, while the sum is 38.

The square root of 43694345 is about 6610.1698162755. The cubic root of 43694345 is about 352.2154570437.

The spelling of 43694345 in words is "forty-three million, six hundred ninety-four thousand, three hundred forty-five".