7198398900 has 972 divisors, whose sum is σ = 30795841440. Its totient is φ = 1397088000.

The previous prime is 7198398869. The next prime is 7198398929. The reversal of 7198398900 is 98938917.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 323 ways as a sum of consecutive naturals, for example, 101385865 + ... + 101385935.

Almost surely, 2^7198398900 is an apocalyptic number.

7198398900 is a gapful number since it is divisible by the number (70) 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 7198398900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15397920720).

7198398900 is an abundant number, since it is smaller than the sum of its proper divisors (23597442540).

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

7198398900 is a wasteful number, since it uses less digits than its factorization.

7198398900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146 (or 118 counting only the distinct ones).

The product of its (nonzero) digits is 979776, while the sum is 54.

The square root of 7198398900 is about 84843.3786455961. The cubic root of 7198398900 is about 1930.8356247989.

The spelling of 7198398900 in words is "seven billion, one hundred ninety-eight million, three hundred ninety-eight thousand, nine hundred".