361887 has 8 divisors (see below), whose sum is σ = 489600. Its totient is φ = 237720.

The previous prime is 361877. The next prime is 361901. The reversal of 361887 is 788163.

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

It is not a de Polignac number, because 361887 - 2⁴ = 361871 is a prime.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 361887.

It is not an unprimeable number, because it can be changed into a prime (361807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 637 + ... + 1062.

It is an arithmetic number, because the mean of its divisors is an integer number (61200).

2³⁶¹⁸⁸⁷ is an apocalyptic number.

361887 is a deficient number, since it is larger than the sum of its proper divisors (127713).

361887 is a wasteful number, since it uses less digits than its factorization.

361887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1773.

The product of its digits is 8064, while the sum is 33.

The square root of 361887 is about 601.5704447527. The cubic root of 361887 is about 71.2619432118.

The spelling of 361887 in words is "three hundred sixty-one thousand, eight hundred eighty-seven".