40683684 has 12 divisors (see below), whose sum is σ = 94928624. Its totient is φ = 13561224.

The previous prime is 40683667. The next prime is 40683691. The reversal of 40683684 is 48638604.

It is a tau number, because it is divible by the number of its divisors (12).

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 in 3 ways as a sum of consecutive naturals, for example, 1695142 + ... + 1695165.

Almost surely, 2^40683684 is an apocalyptic number.

It is an amenable number.

40683684 is an abundant number, since it is smaller than the sum of its proper divisors (54244940).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40683684 is a wasteful number, since it uses less digits than its factorization.

40683684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3390314 (or 3390312 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 39.

The square root of 40683684 is about 6378.3762824092. The cubic root of 40683684 is about 343.9326643938.

The spelling of 40683684 in words is "forty million, six hundred eighty-three thousand, six hundred eighty-four".