924989999 has 4 divisors (see below), whose sum is σ = 930336936. Its totient is φ = 919643064.

The previous prime is 924989993. The next prime is 924990037. The reversal of 924989999 is 999989429.

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

It is a cyclic number.

It is not a de Polignac number, because 924989999 - 2⁴ = 924989983 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (924989993) 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, 2673209 + ... + 2673554.

It is an arithmetic number, because the mean of its divisors is an integer number (232584234).

Almost surely, 2^924989999 is an apocalyptic number.

924989999 is a deficient number, since it is larger than the sum of its proper divisors (5346937).

924989999 is a wasteful number, since it uses less digits than its factorization.

924989999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5346936.

The product of its digits is 34012224, while the sum is 68.

The square root of 924989999 is about 30413.6482356195. The cubic root of 924989999 is about 974.3440686611.

The spelling of 924989999 in words is "nine hundred twenty-four million, nine hundred eighty-nine thousand, nine hundred ninety-nine".