36394778 has 8 divisors (see below), whose sum is σ = 62391072. Its totient is φ = 15597756.

The previous prime is 36394777. The next prime is 36394783. The reversal of 36394778 is 87749363.

It is a happy number.

36394778 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 Curzon number.

It is not an unprimeable number, because it can be changed into a prime (36394777) 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 3 ways as a sum of consecutive naturals, for example, 1299800 + ... + 1299827.

It is an arithmetic number, because the mean of its divisors is an integer number (7798884).

Almost surely, 2^36394778 is an apocalyptic number.

36394778 is a deficient number, since it is larger than the sum of its proper divisors (25996294).

36394778 is a wasteful number, since it uses less digits than its factorization.

36394778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2599636.

The product of its digits is 762048, while the sum is 47.

The square root of 36394778 is about 6032.8084670409. The cubic root of 36394778 is about 331.3953102592.

The spelling of 36394778 in words is "thirty-six million, three hundred ninety-four thousand, seven hundred seventy-eight".