36203897 has 8 divisors (see below), whose sum is σ = 38471400. Its totient is φ = 34069632.

The previous prime is 36203887. The next prime is 36203899. The reversal of 36203897 is 79830263.

36203897 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 14868736 + 21335161 = 3856^2 + 4619^2 .

It is not a de Polignac number, because 36203897 - 2⁸ = 36203641 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 36203897.

It is not an unprimeable number, because it can be changed into a prime (36203899) 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, 1229 + ... + 8597.

It is an arithmetic number, because the mean of its divisors is an integer number (4808925).

Almost surely, 2^36203897 is an apocalyptic number.

36203897 is the 4913-rd pentagonal number.

It is an amenable number.

36203897 is a deficient number, since it is larger than the sum of its proper divisors (2267503).

36203897 is an frugal number, since it uses more digits than its factorization.

36203897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7420 (or 7386 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 38.

The square root of 36203897 is about 6016.9674255392. The cubic root of 36203897 is about 330.8149341363.

The spelling of 36203897 in words is "thirty-six million, two hundred three thousand, eight hundred ninety-seven".