35640856 has 8 divisors (see below), whose sum is σ = 66826620. Its totient is φ = 17820424.

The previous prime is 35640853. The next prime is 35640877. The reversal of 35640856 is 65804653.

35640856 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (35640853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2227546 + ... + 2227561.

Almost surely, 2^35640856 is an apocalyptic number.

It is an amenable number.

35640856 is a deficient number, since it is larger than the sum of its proper divisors (31185764).

35640856 is a wasteful number, since it uses less digits than its factorization.

35640856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4455113 (or 4455109 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 37.

The square root of 35640856 is about 5969.9963149067. The cubic root of 35640856 is about 329.0910278019.

The spelling of 35640856 in words is "thirty-five million, six hundred forty thousand, eight hundred fifty-six".