36889638 has 8 divisors (see below), whose sum is σ = 73779288. Its totient is φ = 12296544.

The previous prime is 36889613. The next prime is 36889639. The reversal of 36889638 is 83698863.

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

36889638 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36889639) 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 3 ways as a sum of consecutive naturals, for example, 3074131 + ... + 3074142.

It is an arithmetic number, because the mean of its divisors is an integer number (9222411).

Almost surely, 2^36889638 is an apocalyptic number.

36889638 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

36889638 is a wasteful number, since it uses less digits than its factorization.

36889638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6148278.

The product of its digits is 1492992, while the sum is 51.

The square root of 36889638 is about 6073.6840550032. The cubic root of 36889638 is about 332.8905483069.

The spelling of 36889638 in words is "thirty-six million, eight hundred eighty-nine thousand, six hundred thirty-eight".