368073809 has 4 divisors (see below), whose sum is σ = 369045360. Its totient is φ = 367102260.

The previous prime is 368073803. The next prime is 368073841. The reversal of 368073809 is 908370863.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 368073809 - 2⁴ = 368073793 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 368073809.

It is not an unprimeable number, because it can be changed into a prime (368073803) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 485207 + ... + 485964.

It is an arithmetic number, because the mean of its divisors is an integer number (92261340).

Almost surely, 2^368073809 is an apocalyptic number.

It is an amenable number.

368073809 is a deficient number, since it is larger than the sum of its proper divisors (971551).

368073809 is an equidigital number, since it uses as much as digits as its factorization.

368073809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 971550.

The product of its (nonzero) digits is 217728, while the sum is 44.

The square root of 368073809 is about 19185.2497768468. The cubic root of 368073809 is about 716.6574806346.

The spelling of 368073809 in words is "three hundred sixty-eight million, seventy-three thousand, eight hundred nine".