921825952 has 24 divisors (see below), whose sum is σ = 1921601556. Its totient is φ = 433800192.

The previous prime is 921825943. The next prime is 921825953. The reversal of 921825952 is 259528129.

It can be written as a sum of positive squares in 2 ways, for example, as 893053456 + 28772496 = 29884^2 + 5364^2 .

It is a junction number, because it is equal to n+sod(n) for n = 921825899 and 921825908.

It is not an unprimeable number, because it can be changed into a prime (921825953) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 846723 + ... + 847810.

Almost surely, 2^921825952 is an apocalyptic number.

It is an amenable number.

921825952 is an abundant number, since it is smaller than the sum of its proper divisors (999775604).

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

921825952 is a wasteful number, since it uses less digits than its factorization.

921825952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1694560 (or 1694552 counting only the distinct ones).

The product of its digits is 129600, while the sum is 43.

The square root of 921825952 is about 30361.5867833024. The cubic root of 921825952 is about 973.2318432158.

The spelling of 921825952 in words is "nine hundred twenty-one million, eight hundred twenty-five thousand, nine hundred fifty-two".