36388641 has 8 divisors (see below), whose sum is σ = 48553024. Its totient is φ = 24241680.

The previous prime is 36388633. The next prime is 36388643. The reversal of 36388641 is 14688363.

36388641 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 not a de Polignac number, because 36388641 - 2³ = 36388633 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 36388641.

It is not an unprimeable number, because it can be changed into a prime (36388643) 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, 1740 + ... + 8706.

It is an arithmetic number, because the mean of its divisors is an integer number (6069128).

Almost surely, 2^36388641 is an apocalyptic number.

It is an amenable number.

36388641 is a deficient number, since it is larger than the sum of its proper divisors (12164383).

36388641 is a wasteful number, since it uses less digits than its factorization.

36388641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8711.

The product of its digits is 82944, while the sum is 39.

The square root of 36388641 is about 6032.2998101885. The cubic root of 36388641 is about 331.3766822448.

The spelling of 36388641 in words is "thirty-six million, three hundred eighty-eight thousand, six hundred forty-one".