961504 has 12 divisors (see below), whose sum is σ = 1893024. Its totient is φ = 480736.

The previous prime is 961487. The next prime is 961507. The reversal of 961504 is 405169.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (961507) 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 as a sum of consecutive naturals, namely, 14992 + ... + 15055.

It is an arithmetic number, because the mean of its divisors is an integer number (157752).

2⁹⁶¹⁵⁰⁴ is an apocalyptic number.

It is an amenable number.

961504 is a deficient number, since it is larger than the sum of its proper divisors (931520).

961504 is a wasteful number, since it uses less digits than its factorization.

961504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30057 (or 30049 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 961504 is about 980.5631035278. The cubic root of 961504 is about 98.6999725236.

It can be divided in two parts, 96 and 1504, that added together give a square (1600 = 40²).

The spelling of 961504 in words is "nine hundred sixty-one thousand, five hundred four".