961583630 has 64 divisors (see below), whose sum is σ = 2044804608. Its totient is φ = 318729600.

The previous prime is 961583627. The next prime is 961583657. The reversal of 961583630 is 36385169.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 302429 + ... + 305591.

It is an arithmetic number, because the mean of its divisors is an integer number (31950072).

Almost surely, 2^961583630 is an apocalyptic number.

961583630 is an abundant number, since it is smaller than the sum of its proper divisors (1083220978).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

961583630 is a wasteful number, since it uses less digits than its factorization.

961583630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3321.

The product of its (nonzero) digits is 116640, while the sum is 41.

The square root of 961583630 is about 31009.4119583071. The cubic root of 961583630 is about 987.0269716534.

The spelling of 961583630 in words is "nine hundred sixty-one million, five hundred eighty-three thousand, six hundred thirty".