924921 has 6 divisors (see below), whose sum is σ = 1336010. Its totient is φ = 616608.

The previous prime is 924907. The next prime is 924929. The reversal of 924921 is 129429.

It can be written as a sum of positive squares in only one way, i.e., 810000 + 114921 = 900^2 + 339^2 .

It is not a de Polignac number, because 924921 - 2⁷ = 924793 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (924929) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 51376 + ... + 51393.

2⁹²⁴⁹²¹ is an apocalyptic number.

It is an amenable number.

924921 is a deficient number, since it is larger than the sum of its proper divisors (411089).

924921 is a wasteful number, since it uses less digits than its factorization.

924921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102775 (or 102772 counting only the distinct ones).

The product of its digits is 1296, while the sum is 27.

The square root of 924921 is about 961.7281320623. The cubic root of 924921 is about 97.4319841214.

The spelling of 924921 in words is "nine hundred twenty-four thousand, nine hundred twenty-one".