2821713920 has 104 divisors (see below), whose sum is σ = 7006253760. Its totient is φ = 1089536000.

The previous prime is 2821713901. The next prime is 2821713929. The reversal of 2821713920 is 293171282.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2821713929) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 591545 + ... + 596295.

Almost surely, 2^2821713920 is an apocalyptic number.

2821713920 is a gapful number since it is divisible by the number (20) 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 2821713920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3503126880).

2821713920 is an abundant number, since it is smaller than the sum of its proper divisors (4184539840).

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

2821713920 is an equidigital number, since it uses as much as digits as its factorization.

2821713920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4809 (or 4787 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 2821713920 is about 53119.8072285659. The cubic root of 2821713920 is about 1413.0938085445.

The spelling of 2821713920 in words is "two billion, eight hundred twenty-one million, seven hundred thirteen thousand, nine hundred twenty".