35664644 has 6 divisors (see below), whose sum is σ = 62413134. Its totient is φ = 17832320.

The previous prime is 35664631. The next prime is 35664647. The reversal of 35664644 is 44646653.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 35402500 + 262144 = 5950^2 + 512^2 .

It is a junction number, because it is equal to n+sod(n) for n = 35664598 and 35664607.

It is not an unprimeable number, because it can be changed into a prime (35664647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4458077 + ... + 4458084.

It is an arithmetic number, because the mean of its divisors is an integer number (10402189).

Almost surely, 2^35664644 is an apocalyptic number.

It is an amenable number.

35664644 is a deficient number, since it is larger than the sum of its proper divisors (26748490).

35664644 is a wasteful number, since it uses less digits than its factorization.

35664644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8916165 (or 8916163 counting only the distinct ones).

The product of its digits is 207360, while the sum is 38.

The square root of 35664644 is about 5971.9882786221. The cubic root of 35664644 is about 329.1642272817.

Subtracting 35664644 from its reverse (44646653), we obtain a square (8982009 = 2997²).

The spelling of 35664644 in words is "thirty-five million, six hundred sixty-four thousand, six hundred forty-four".