368636445 has 12 divisors (see below), whose sum is σ = 638969916. Its totient is φ = 196606080.

The previous prime is 368636413. The next prime is 368636467. The reversal of 368636445 is 544636863.

368636445 is a `hidden beast` number, since 3 + 6 + 8 + 636 + 4 + 4 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 283147929 + 85488516 = 16827^2 + 9246^2 .

It is not a de Polignac number, because 368636445 - 2⁵ = 368636413 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 8191921 = 368636445 / (3 + 6 + 8 + 6 + 3 + 6 + 4 + 4 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 368636445.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 4095916 + ... + 4096005.

It is an arithmetic number, because the mean of its divisors is an integer number (53247493).

Almost surely, 2^368636445 is an apocalyptic number.

It is an amenable number.

368636445 is a deficient number, since it is larger than the sum of its proper divisors (270333471).

368636445 is a wasteful number, since it uses less digits than its factorization.

368636445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8191932 (or 8191929 counting only the distinct ones).

The product of its digits is 1244160, while the sum is 45.

The square root of 368636445 is about 19199.9074216518. The cubic root of 368636445 is about 717.0224545526.

The spelling of 368636445 in words is "three hundred sixty-eight million, six hundred thirty-six thousand, four hundred forty-five".