2997889920 has 512 divisors, whose sum is σ = 11691648000. Its totient is φ = 722608128.

The previous prime is 2997889919. The next prime is 2997889927. The reversal of 2997889920 is 299887992.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2997889927) 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, 7551162 + ... + 7551558.

It is an arithmetic number, because the mean of its divisors is an integer number (22835250).

Almost surely, 2^2997889920 is an apocalyptic number.

2997889920 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 2997889920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5845824000).

2997889920 is an abundant number, since it is smaller than the sum of its proper divisors (8693758080).

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

2997889920 is a wasteful number, since it uses less digits than its factorization.

2997889920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 467 (or 449 counting only the distinct ones).

The product of its (nonzero) digits is 11757312, while the sum is 63.

The square root of 2997889920 is about 54752.9900553385. The cubic root of 2997889920 is about 1441.9113507791.

The spelling of 2997889920 in words is "two billion, nine hundred ninety-seven million, eight hundred eighty-nine thousand, nine hundred twenty".