36288989 has 6 divisors (see below), whose sum is σ = 39888030. Its totient is φ = 32989880.

The previous prime is 36288983. The next prime is 36289007. The reversal of 36288989 is 98988263.

It can be written as a sum of positive squares in only one way, i.e., 29888089 + 6400900 = 5467^2 + 2530^2 .

It is a de Polignac number, because none of the positive numbers 2^k-36288989 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 36288989.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36288983) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 149834 + ... + 150075.

It is an arithmetic number, because the mean of its divisors is an integer number (6648005).

Almost surely, 2^36288989 is an apocalyptic number.

It is an amenable number.

36288989 is a deficient number, since it is larger than the sum of its proper divisors (3599041).

36288989 is a wasteful number, since it uses less digits than its factorization.

36288989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299931 (or 299920 counting only the distinct ones).

The product of its digits is 1492992, while the sum is 53.

The square root of 36288989 is about 6024.0342794509. The cubic root of 36288989 is about 331.0739088280.

The spelling of 36288989 in words is "thirty-six million, two hundred eighty-eight thousand, nine hundred eighty-nine".