923945628 has 24 divisors (see below), whose sum is σ = 2169609232. Its totient is φ = 306019584.

The previous prime is 923945587. The next prime is 923945663. The reversal of 923945628 is 826549329.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 243325 + ... + 247092.

Almost surely, 2^923945628 is an apocalyptic number.

It is an amenable number.

923945628 is an abundant number, since it is smaller than the sum of its proper divisors (1245663604).

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

923945628 is a wasteful number, since it uses less digits than its factorization.

923945628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 490581 (or 490579 counting only the distinct ones).

The product of its digits is 933120, while the sum is 48.

The square root of 923945628 is about 30396.4739402451. The cubic root of 923945628 is about 973.9772322990.

The spelling of 923945628 in words is "nine hundred twenty-three million, nine hundred forty-five thousand, six hundred twenty-eight".