921060000 has 720 divisors, whose sum is σ = 4052752704. Its totient is φ = 193536000.

The previous prime is 921059989. The next prime is 921060059. The reversal of 921060000 is 60129.

It is a tau number, because it is divible by the number of its divisors (720).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 21419979 + ... + 21420021.

Almost surely, 2^921060000 is an apocalyptic number.

921060000 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 921060000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2026376352).

921060000 is an abundant number, since it is smaller than the sum of its proper divisors (3131692704).

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

921060000 is a wasteful number, since it uses less digits than its factorization.

921060000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103 (or 77 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 921060000 is about 30348.9703284971. The cubic root of 921060000 is about 972.9622133445.

The spelling of 921060000 in words is "nine hundred twenty-one million, sixty thousand".