368444609 has 16 divisors (see below), whose sum is σ = 406355712. Its totient is φ = 331941888.

The previous prime is 368444581. The next prime is 368444627. The reversal of 368444609 is 906444863.

It is a cyclic number.

It is not a de Polignac number, because 368444609 - 2¹⁶ = 368379073 is a prime.

It is a super-3 number, since 3×368444609³ (a number of 27 digits) contains 333 as substring.

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 368444609.

It is not an unprimeable number, because it can be changed into a prime (368444639) 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 15 ways as a sum of consecutive naturals, for example, 318977 + ... + 320129.

It is an arithmetic number, because the mean of its divisors is an integer number (25397232).

Almost surely, 2^368444609 is an apocalyptic number.

It is an amenable number.

368444609 is a deficient number, since it is larger than the sum of its proper divisors (37911103).

368444609 is a wasteful number, since it uses less digits than its factorization.

368444609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1736.

The product of its (nonzero) digits is 497664, while the sum is 44.

The square root of 368444609 is about 19194.9110182882. The cubic root of 368444609 is about 716.8980550360.

The spelling of 368444609 in words is "three hundred sixty-eight million, four hundred forty-four thousand, six hundred nine".