35808661 has 6 divisors (see below), whose sum is σ = 41655030. Its totient is φ = 30693096.

The previous prime is 35808629. The next prime is 35808697. The reversal of 35808661 is 16680853.

It can be written as a sum of positive squares in only one way, i.e., 32547025 + 3261636 = 5705^2 + 1806^2 .

It is not a de Polignac number, because 35808661 - 2⁵ = 35808629 is a prime.

It is a super-2 number, since 2×35808661² = 2564520405225842, which contains 22 as substring.

It is a Duffinian number.

It is a nialpdrome in base 12.

It is a self number, because there is not a number n which added to its sum of digits gives 35808661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (35808601) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 365346 + ... + 365443.

It is an arithmetic number, because the mean of its divisors is an integer number (6942505).

Almost surely, 2^35808661 is an apocalyptic number.

It is an amenable number.

35808661 is a deficient number, since it is larger than the sum of its proper divisors (5846369).

35808661 is an equidigital number, since it uses as much as digits as its factorization.

35808661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 730803 (or 730796 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 35808661 is about 5984.0338401450. The cubic root of 35808661 is about 329.6066970324.

The spelling of 35808661 in words is "thirty-five million, eight hundred eight thousand, six hundred sixty-one".