361617 has 4 divisors (see below), whose sum is σ = 482160. Its totient is φ = 241076.

The previous prime is 361577. The next prime is 361637. The reversal of 361617 is 716163.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 361617 - 2¹⁰ = 360593 is a prime.

It is a D-number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 361617.

It is not an unprimeable number, because it can be changed into a prime (361637) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 60267 + ... + 60272.

It is an arithmetic number, because the mean of its divisors is an integer number (120540).

2³⁶¹⁶¹⁷ is an apocalyptic number.

It is an amenable number.

361617 is a deficient number, since it is larger than the sum of its proper divisors (120543).

361617 is a wasteful number, since it uses less digits than its factorization.

361617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120542.

The product of its digits is 756, while the sum is 24.

The square root of 361617 is about 601.3459902585. The cubic root of 361617 is about 71.2442162126.

It can be divided in two parts, 36 and 1617, that added together give a triangular number (1653 = T₅₇).

The spelling of 361617 in words is "three hundred sixty-one thousand, six hundred seventeen".