36121398 has 16 divisors (see below), whose sum is σ = 74195760. Its totient is φ = 11714976.

The previous prime is 36121391. The next prime is 36121399. The reversal of 36121398 is 89312163.

36121398 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36121391) 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, 81133 + ... + 81576.

It is an arithmetic number, because the mean of its divisors is an integer number (4637235).

Almost surely, 2^36121398 is an apocalyptic number.

36121398 is an abundant number, since it is smaller than the sum of its proper divisors (38074362).

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

36121398 is a wasteful number, since it uses less digits than its factorization.

36121398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162751.

The product of its digits is 7776, while the sum is 33.

The square root of 36121398 is about 6010.1079857187. The cubic root of 36121398 is about 330.5634634373.

The spelling of 36121398 in words is "thirty-six million, one hundred twenty-one thousand, three hundred ninety-eight".