921492000 has 576 divisors, whose sum is σ = 3863583360. Its totient is φ = 205056000.

The previous prime is 921491969. The next prime is 921492029. The reversal of 921492000 is 294129.

921492000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 5147911 + ... + 5148089.

It is an arithmetic number, because the mean of its divisors is an integer number (6707610).

Almost surely, 2^921492000 is an apocalyptic number.

921492000 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 921492000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1931791680).

921492000 is an abundant number, since it is smaller than the sum of its proper divisors (2942091360).

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

921492000 is a wasteful number, since it uses less digits than its factorization.

921492000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234 (or 213 counting only the distinct ones).

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

The square root of 921492000 is about 30356.0867043168. The cubic root of 921492000 is about 973.1143040443.

It can be divided in two parts, 92149 and 2000, that added together give a palindrome (94149).

The spelling of 921492000 in words is "nine hundred twenty-one million, four hundred ninety-two thousand".