361387 has 4 divisors (see below), whose sum is σ = 389200. Its totient is φ = 333576.

The previous prime is 361373. The next prime is 361409. The reversal of 361387 is 783163.

361387 is nontrivially palindromic in base 15.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 783163 = 67 ⋅11689.

It is a cyclic number.

It is not a de Polignac number, because 361387 - 2¹⁵ = 328619 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (361327) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13887 + ... + 13912.

It is an arithmetic number, because the mean of its divisors is an integer number (97300).

2³⁶¹³⁸⁷ is an apocalyptic number.

361387 is a deficient number, since it is larger than the sum of its proper divisors (27813).

361387 is a wasteful number, since it uses less digits than its factorization.

361387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27812.

The product of its digits is 3024, while the sum is 28.

The square root of 361387 is about 601.1547221806. The cubic root of 361387 is about 71.2291084743.

The spelling of 361387 in words is "three hundred sixty-one thousand, three hundred eighty-seven".