368618905 has 48 divisors (see below), whose sum is σ = 508095504. Its totient is φ = 255651840.

The previous prime is 368618893. The next prime is 368618911. The reversal of 368618905 is 509816863.

It can be written as a sum of positive squares in 8 ways, for example, as 1819801 + 366799104 = 1349^2 + 19152^2 .

It is not a de Polignac number, because 368618905 - 2¹³ = 368610713 is a prime.

It is a Duffinian 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 47 ways as a sum of consecutive naturals, for example, 1257939 + ... + 1258231.

It is an arithmetic number, because the mean of its divisors is an integer number (10585323).

Almost surely, 2^368618905 is an apocalyptic number.

It is an amenable number.

368618905 is a deficient number, since it is larger than the sum of its proper divisors (139476599).

368618905 is a wasteful number, since it uses less digits than its factorization.

368618905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394 (or 375 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 46.

The square root of 368618905 is about 19199.4506431825. The cubic root of 368618905 is about 717.0110822159.

The spelling of 368618905 in words is "three hundred sixty-eight million, six hundred eighteen thousand, nine hundred five".