924989 has 4 divisors (see below), whose sum is σ = 996156. Its totient is φ = 853824.

The previous prime is 924967. The next prime is 924997. The reversal of 924989 is 989429.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 84100 + 840889 = 290^2 + 917^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-924989 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent 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 3 ways as a sum of consecutive naturals, for example, 35564 + ... + 35589.

It is an arithmetic number, because the mean of its divisors is an integer number (249039).

2⁹²⁴⁹⁸⁹ is an apocalyptic number.

It is an amenable number.

924989 is a deficient number, since it is larger than the sum of its proper divisors (71167).

924989 is a wasteful number, since it uses less digits than its factorization.

924989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71166.

The product of its digits is 46656, while the sum is 41.

The square root of 924989 is about 961.7634844389. The cubic root of 924989 is about 97.4343717893.

The spelling of 924989 in words is "nine hundred twenty-four thousand, nine hundred eighty-nine".