36636401 has 8 divisors (see below), whose sum is σ = 39263424. Its totient is φ = 34095600.

The previous prime is 36636373. The next prime is 36636407. The reversal of 36636401 is 10463663.

36636401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-36636401 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (36636407) 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 7 ways as a sum of consecutive naturals, for example, 20675 + ... + 22376.

It is an arithmetic number, because the mean of its divisors is an integer number (4907928).

Almost surely, 2^36636401 is an apocalyptic number.

It is an amenable number.

36636401 is a deficient number, since it is larger than the sum of its proper divisors (2627023).

36636401 is a wasteful number, since it uses less digits than its factorization.

36636401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43111.

The product of its (nonzero) digits is 7776, while the sum is 29.

The square root of 36636401 is about 6052.8010871001. The cubic root of 36636401 is about 332.1270652397.

The spelling of 36636401 in words is "thirty-six million, six hundred thirty-six thousand, four hundred one".