2098897920 has 528 divisors, whose sum is σ = 8655174528. Its totient is φ = 477757440.

The previous prime is 2098897861. The next prime is 2098897949. The reversal of 2098897920 is 297988902.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8709000 + ... + 8709240.

It is an arithmetic number, because the mean of its divisors is an integer number (16392376).

Almost surely, 2^2098897920 is an apocalyptic number.

2098897920 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 2098897920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4327587264).

2098897920 is an abundant number, since it is smaller than the sum of its proper divisors (6556276608).

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

2098897920 is an equidigital number, since it uses as much as digits as its factorization.

2098897920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288 (or 258 counting only the distinct ones).

The product of its (nonzero) digits is 1306368, while the sum is 54.

The square root of 2098897920 is about 45813.7306928829. The cubic root of 2098897920 is about 1280.3551098063.

The spelling of 2098897920 in words is "two billion, ninety-eight million, eight hundred ninety-seven thousand, nine hundred twenty".