2108997324 has 120 divisors (see below), whose sum is σ = 6395459840. Its totient is φ = 593534304.

The previous prime is 2108997323. The next prime is 2108997329. The reversal of 2108997324 is 4237998012.

It is a self number, because there is not a number n which added to its sum of digits gives 2108997324.

It is not an unprimeable number, because it can be changed into a prime (2108997323) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 145017 + ... + 158895.

Almost surely, 2^2108997324 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2108997324, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3197729920).

2108997324 is an abundant number, since it is smaller than the sum of its proper divisors (4286462516).

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

2108997324 is a wasteful number, since it uses less digits than its factorization.

2108997324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13969 (or 13958 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The square root of 2108997324 is about 45923.8208776230. The cubic root of 2108997324 is about 1282.4054141796.

The spelling of 2108997324 in words is "two billion, one hundred eight million, nine hundred ninety-seven thousand, three hundred twenty-four".