36309285 has 24 divisors (see below), whose sum is σ = 66250080. Its totient is φ = 18345312.

The previous prime is 36309257. The next prime is 36309289. The reversal of 36309285 is 58290363.

It is not a de Polignac number, because 36309285 - 2¹¹ = 36307237 is a prime.

It is a super-2 number, since 2×36309285² = 2636728354422450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36309289) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20379 + ... + 22088.

It is an arithmetic number, because the mean of its divisors is an integer number (2760420).

Almost surely, 2^36309285 is an apocalyptic number.

It is an amenable number.

36309285 is a deficient number, since it is larger than the sum of its proper divisors (29940795).

36309285 is a wasteful number, since it uses less digits than its factorization.

36309285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42497 (or 42494 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The square root of 36309285 is about 6025.7186293421. The cubic root of 36309285 is about 331.1356192248.

The spelling of 36309285 in words is "thirty-six million, three hundred nine thousand, two hundred eighty-five".