2389972900 has 144 divisors (see below), whose sum is σ = 6157161472. Its totient is φ = 787968000.

The previous prime is 2389972891. The next prime is 2389972909. The reversal of 2389972900 is 92799832.

It is an interprime number because it is at equal distance from previous prime (2389972891) and next prime (2389972909).

It is not an unprimeable number, because it can be changed into a prime (2389972909) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5229472 + ... + 5229928.

Almost surely, 2^2389972900 is an apocalyptic number.

2389972900 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 2389972900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3078580736).

2389972900 is an abundant number, since it is smaller than the sum of its proper divisors (3767188572).

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

2389972900 is a wasteful number, since it uses less digits than its factorization.

2389972900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 750 (or 743 counting only the distinct ones).

The product of its (nonzero) digits is 489888, while the sum is 49.

The square root of 2389972900 is about 48887.3490792864. The cubic root of 2389972900 is about 1336.9987220994.

The spelling of 2389972900 in words is "two billion, three hundred eighty-nine million, nine hundred seventy-two thousand, nine hundred".