41689216 has 16 divisors (see below), whose sum is σ = 83052990. Its totient is φ = 20844544.

The previous prime is 41689213. The next prime is 41689229. The reversal of 41689216 is 61298614.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 24049216 + 17640000 = 4904^2 + 4200^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is not an unprimeable number, because it can be changed into a prime (41689213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 162721 + ... + 162976.

Almost surely, 2^41689216 is an apocalyptic number.

It is an amenable number.

41689216 is a deficient number, since it is larger than the sum of its proper divisors (41363774).

41689216 is an equidigital number, since it uses as much as digits as its factorization.

41689216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325711 (or 325699 counting only the distinct ones).

The product of its digits is 20736, while the sum is 37.

The square root of 41689216 is about 6456.7186712757. The cubic root of 41689216 is about 346.7431652349.

It can be divided in two parts, 41689 and 216, that added together give a triangular number (41905 = T₂₈₉).

The spelling of 41689216 in words is "forty-one million, six hundred eighty-nine thousand, two hundred sixteen".