961784 has 8 divisors (see below), whose sum is σ = 1803360. Its totient is φ = 480888.

The previous prime is 961783. The next prime is 961789. The reversal of 961784 is 487169.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (961783) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60104 + ... + 60119.

It is an arithmetic number, because the mean of its divisors is an integer number (225420).

2⁹⁶¹⁷⁸⁴ is an apocalyptic number.

It is an amenable number.

961784 is a deficient number, since it is larger than the sum of its proper divisors (841576).

961784 is a wasteful number, since it uses less digits than its factorization.

961784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120229 (or 120225 counting only the distinct ones).

The product of its digits is 12096, while the sum is 35.

The square root of 961784 is about 980.7058682398. The cubic root of 961784 is about 98.7095524144.

It can be divided in two parts, 961 and 784, that multiplied together give a square (753424 = 868²).

The spelling of 961784 in words is "nine hundred sixty-one thousand, seven hundred eighty-four".