361863 has 12 divisors (see below), whose sum is σ = 539968. Its totient is φ = 233280.

The previous prime is 361843. The next prime is 361871. The reversal of 361863 is 368163.

It is not a de Polignac number, because 361863 - 2⁶ = 361799 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (361843) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 370 + ... + 927.

2³⁶¹⁸⁶³ is an apocalyptic number.

361863 is a deficient number, since it is larger than the sum of its proper divisors (178105).

361863 is a wasteful number, since it uses less digits than its factorization.

361863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1334 (or 1331 counting only the distinct ones).

The product of its digits is 2592, while the sum is 27.

The square root of 361863 is about 601.5504966335. The cubic root of 361863 is about 71.2603678357.

The spelling of 361863 in words is "three hundred sixty-one thousand, eight hundred sixty-three".