961212084 has 96 divisors (see below), whose sum is σ = 2598715392. Its totient is φ = 270864000.

The previous prime is 961212061. The next prime is 961212101. The reversal of 961212084 is 480212169.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2903799 + ... + 2904129.

It is an arithmetic number, because the mean of its divisors is an integer number (27069952).

Almost surely, 2^961212084 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 961212084, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1299357696).

961212084 is an abundant number, since it is smaller than the sum of its proper divisors (1637503308).

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

961212084 is a wasteful number, since it uses less digits than its factorization.

961212084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 717 (or 715 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 33.

The square root of 961212084 is about 31003.4205209683. The cubic root of 961212084 is about 986.8998295949.

The spelling of 961212084 in words is "nine hundred sixty-one million, two hundred twelve thousand, eighty-four".