920912 has 10 divisors (see below), whose sum is σ = 1784298. Its totient is φ = 460448.

The previous prime is 920891. The next prime is 920921. The reversal of 920912 is 219029.

It can be written as a sum of positive squares in only one way, i.e., 633616 + 287296 = 796^2 + 536^2 .

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 920912.

It is an unprimeable number.

920912 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28763 + ... + 28794.

2⁹²⁰⁹¹² is an apocalyptic number.

It is an amenable number.

920912 is a deficient number, since it is larger than the sum of its proper divisors (863386).

920912 is a wasteful number, since it uses less digits than its factorization.

920912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57565 (or 57559 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 23.

The square root of 920912 is about 959.6415997652. The cubic root of 920912 is about 97.2910097260.

The spelling of 920912 in words is "nine hundred twenty thousand, nine hundred twelve".