912945 has 24 divisors (see below), whose sum is σ = 1608768. Its totient is φ = 441760.

The previous prime is 912941. The next prime is 912953. The reversal of 912945 is 549219.

It is a happy number.

It is not a de Polignac number, because 912945 - 2² = 912941 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (912941) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1564 + ... + 2066.

It is an arithmetic number, because the mean of its divisors is an integer number (67032).

2⁹¹²⁹⁴⁵ is an apocalyptic number.

It is an amenable number.

912945 is a deficient number, since it is larger than the sum of its proper divisors (695823).

912945 is a wasteful number, since it uses less digits than its factorization.

912945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 533 (or 522 counting only the distinct ones).

The product of its digits is 3240, while the sum is 30.

The square root of 912945 is about 955.4815539821. The cubic root of 912945 is about 97.0096352068.

The spelling of 912945 in words is "nine hundred twelve thousand, nine hundred forty-five".