43946685 has 32 divisors (see below), whose sum is σ = 80655360. Its totient is φ = 22680000.

The previous prime is 43946663. The next prime is 43946689. The reversal of 43946685 is 58664934.

It is not a de Polignac number, because 43946685 - 2⁵ = 43946653 is a prime.

It is a super-2 number, since 2×43946685² = 3862622244978450, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 43946685.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43946689) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1066 + ... + 9435.

It is an arithmetic number, because the mean of its divisors is an integer number (2520480).

Almost surely, 2^43946685 is an apocalyptic number.

43946685 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

43946685 is a deficient number, since it is larger than the sum of its proper divisors (36708675).

43946685 is a wasteful number, since it uses less digits than its factorization.

43946685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10546 (or 10540 counting only the distinct ones).

The product of its digits is 622080, while the sum is 45.

The square root of 43946685 is about 6629.2295932484. The cubic root of 43946685 is about 352.8921845968.

The spelling of 43946685 in words is "forty-three million, nine hundred forty-six thousand, six hundred eighty-five".