361634 has 16 divisors (see below), whose sum is σ = 667968. Its totient is φ = 142992.

The previous prime is 361577. The next prime is 361637. The reversal of 361634 is 436163.

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is a plaindrome in base 11.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 361634.

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 7 ways as a sum of consecutive naturals, for example, 812 + ... + 1175.

It is an arithmetic number, because the mean of its divisors is an integer number (41748).

2³⁶¹⁶³⁴ is an apocalyptic number.

361634 is a deficient number, since it is larger than the sum of its proper divisors (306334).

361634 is a wasteful number, since it uses less digits than its factorization.

361634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2009.

The product of its digits is 1296, while the sum is 23.

The square root of 361634 is about 601.3601250499. The cubic root of 361634 is about 71.2453326172.

Adding to 361634 its reverse (436163), we get a palindrome (797797).

Subtracting 361634 from its reverse (436163), we obtain a square (74529 = 273²).

The spelling of 361634 in words is "three hundred sixty-one thousand, six hundred thirty-four".