36240399 has 32 divisors (see below), whose sum is σ = 58204160. Its totient is φ = 22153824.

The previous prime is 36240397. The next prime is 36240403. The reversal of 36240399 is 99304263.

It is a happy number.

36240399 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Cunningham number, because it is equal to 6020²-1.

It is not a de Polignac number, because 36240399 - 2¹ = 36240397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36240397) 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 31 ways as a sum of consecutive naturals, for example, 78042 + ... + 78504.

It is an arithmetic number, because the mean of its divisors is an integer number (1818880).

Almost surely, 2^36240399 is an apocalyptic number.

36240399 is a gapful number since it is divisible by the number (39) formed by its first and last digit.

36240399 is a deficient number, since it is larger than the sum of its proper divisors (21963761).

36240399 is a wasteful number, since it uses less digits than its factorization.

36240399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 708 (or 702 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 36.

The square root of 36240399 is about 6019.9999169435. Note that the first 4 decimals coincide. The cubic root of 36240399 is about 330.9260764139.

The spelling of 36240399 in words is "thirty-six million, two hundred forty thousand, three hundred ninety-nine".