43696916 has 6 divisors (see below), whose sum is σ = 76469610. Its totient is φ = 21848456.

The previous prime is 43696909. The next prime is 43696921. The reversal of 43696916 is 61969634.

It can be written as a sum of positive squares in only one way, i.e., 43612816 + 84100 = 6604^2 + 290^2 .

It is a super-2 number, since 2×43696916² = 3818840935822112, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5462111 + ... + 5462118.

It is an arithmetic number, because the mean of its divisors is an integer number (12744935).

Almost surely, 2^43696916 is an apocalyptic number.

It is an amenable number.

43696916 is a deficient number, since it is larger than the sum of its proper divisors (32772694).

43696916 is a wasteful number, since it uses less digits than its factorization.

43696916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10924233 (or 10924231 counting only the distinct ones).

The product of its digits is 209952, while the sum is 44.

The square root of 43696916 is about 6610.3642864823. The cubic root of 43696916 is about 352.2223650939. Note that the first 3 decimals are identical.

The spelling of 43696916 in words is "forty-three million, six hundred ninety-six thousand, nine hundred sixteen".