361385 has 4 divisors (see below), whose sum is σ = 433668. Its totient is φ = 289104.

The previous prime is 361373. The next prime is 361409. The reversal of 361385 is 583163.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 243049 + 118336 = 493^2 + 344^2 .

It is a cyclic number.

It is not a de Polignac number, because 361385 - 2⁶ = 361321 is a prime.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 361385.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36134 + ... + 36143.

It is an arithmetic number, because the mean of its divisors is an integer number (108417).

2³⁶¹³⁸⁵ is an apocalyptic number.

It is an amenable number.

361385 is a deficient number, since it is larger than the sum of its proper divisors (72283).

361385 is an equidigital number, since it uses as much as digits as its factorization.

361385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72282.

The product of its digits is 2160, while the sum is 26.

The square root of 361385 is about 601.1530587130. The cubic root of 361385 is about 71.2289770745.

The spelling of 361385 in words is "three hundred sixty-one thousand, three hundred eighty-five".