905322012 has 96 divisors (see below), whose sum is σ = 2575157760. Its totient is φ = 241643520.

The previous prime is 905322001. The next prime is 905322017. The reversal of 905322012 is 210223509.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (905322017) by changing a digit.

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, 196212 + ... + 200772.

It is an arithmetic number, because the mean of its divisors is an integer number (26824560).

Almost surely, 2^905322012 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 905322012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1287578880).

905322012 is an abundant number, since it is smaller than the sum of its proper divisors (1669835748).

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

905322012 is a wasteful number, since it uses less digits than its factorization.

905322012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4731 (or 4729 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 905322012 is about 30088.5694575199. The cubic root of 905322012 is about 967.3887368129.

The spelling of 905322012 in words is "nine hundred five million, three hundred twenty-two thousand, twelve".