2100380398 has 8 divisors (see below), whose sum is σ = 3156032592. Its totient is φ = 1048369536.

The previous prime is 2100380393. The next prime is 2100380411. The reversal of 2100380398 is 8930830012.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2100380393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 908890 + ... + 911197.

It is an arithmetic number, because the mean of its divisors is an integer number (394504074).

Almost surely, 2^2100380398 is an apocalyptic number.

2100380398 is a deficient number, since it is larger than the sum of its proper divisors (1055652194).

2100380398 is a wasteful number, since it uses less digits than its factorization.

2100380398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1820666.

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 2100380398 is about 45829.9072440693. The cubic root of 2100380398 is about 1280.6564825022.

The spelling of 2100380398 in words is "two billion, one hundred million, three hundred eighty thousand, three hundred ninety-eight".