368905 has 8 divisors (see below), whose sum is σ = 448200. Its totient is φ = 291456.

The previous prime is 368899. The next prime is 368911. The reversal of 368905 is 509863.

It is an interprime number because it is at equal distance from previous prime (368899) and next prime (368911).

It can be written as a sum of positive squares in 4 ways, for example, as 13689 + 355216 = 117^2 + 596^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 368905 - 2⁵ = 368873 is a prime.

It is a nialpdrome in base 13.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31 + ... + 859.

It is an arithmetic number, because the mean of its divisors is an integer number (56025).

2³⁶⁸⁹⁰⁵ is an apocalyptic number.

It is an amenable number.

368905 is a deficient number, since it is larger than the sum of its proper divisors (79295).

368905 is an equidigital number, since it uses as much as digits as its factorization.

368905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 923.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 368905 is about 607.3755016462. The cubic root of 368905 is about 71.7196531412.

The spelling of 368905 in words is "three hundred sixty-eight thousand, nine hundred five".