35996661 has 6 divisors (see below), whose sum is σ = 51995190. Its totient is φ = 23997768.

The previous prime is 35996651. The next prime is 35996669. The reversal of 35996661 is 16669953.

35996661 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 20196036 + 15800625 = 4494^2 + 3975^2 .

It is not a de Polignac number, because 35996661 - 2⁷ = 35996533 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (35996669) 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 in 5 ways as a sum of consecutive naturals, for example, 1999806 + ... + 1999823.

It is an arithmetic number, because the mean of its divisors is an integer number (8665865).

Almost surely, 2^35996661 is an apocalyptic number.

It is an amenable number.

35996661 is a deficient number, since it is larger than the sum of its proper divisors (15998529).

35996661 is a wasteful number, since it uses less digits than its factorization.

35996661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3999635 (or 3999632 counting only the distinct ones).

The product of its digits is 262440, while the sum is 45.

The square root of 35996661 is about 5999.7217435478. The cubic root of 35996661 is about 330.1825161154.

It can be divided in two parts, 359 and 96661, that added together give a triangular number (97020 = T₄₄₀).

The spelling of 35996661 in words is "thirty-five million, nine hundred ninety-six thousand, six hundred sixty-one".