924999990 has 128 divisors (see below), whose sum is σ = 2421757440. Its totient is φ = 225358848.

The previous prime is 924999989. The next prime is 924999991. The reversal of 924999990 is 99999429.

It is an interprime number because it is at equal distance from previous prime (924999989) and next prime (924999991).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (924999991) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2023842 + ... + 2024298.

It is an arithmetic number, because the mean of its divisors is an integer number (18919980).

Almost surely, 2^924999990 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 924999990, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1210878720).

924999990 is an abundant number, since it is smaller than the sum of its proper divisors (1496757450).

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

924999990 is a wasteful number, since it uses less digits than its factorization.

924999990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 606.

The product of its (nonzero) digits is 4251528, while the sum is 60.

The square root of 924999990 is about 30413.8124870921. The cubic root of 924999990 is about 974.3475766762.

The spelling of 924999990 in words is "nine hundred twenty-four million, nine hundred ninety-nine thousand, nine hundred ninety".