368606409 has 16 divisors (see below), whose sum is σ = 497288064. Its totient is φ = 242841600.

The previous prime is 368606389. The next prime is 368606411. The reversal of 368606409 is 904606863.

It is not a de Polignac number, because 368606409 - 2¹¹ = 368604361 is a prime.

It is not an unprimeable number, because it can be changed into a prime (368606489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 197139 + ... + 198999.

It is an arithmetic number, because the mean of its divisors is an integer number (31080504).

Almost surely, 2^368606409 is an apocalyptic number.

It is an amenable number.

368606409 is a deficient number, since it is larger than the sum of its proper divisors (128681655).

368606409 is a wasteful number, since it uses less digits than its factorization.

368606409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2608.

The product of its (nonzero) digits is 186624, while the sum is 42.

The square root of 368606409 is about 19199.1252144466. The cubic root of 368606409 is about 717.0029800164.

The spelling of 368606409 in words is "three hundred sixty-eight million, six hundred six thousand, four hundred nine".