197950100 has 36 divisors (see below), whose sum is σ = 430506300. Its totient is φ = 79004160.

The previous prime is 197950099. The next prime is 197950127. The reversal of 197950100 is 1059791.

It can be written as a sum of positive squares in 6 ways, for example, as 4072324 + 193877776 = 2018^2 + 13924^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 48956 + ... + 52844.

Almost surely, 2^197950100 is an apocalyptic number.

197950100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

197950100 is an abundant number, since it is smaller than the sum of its proper divisors (232556200).

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

197950100 is a wasteful number, since it uses less digits than its factorization.

197950100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4412 (or 4405 counting only the distinct ones).

The product of its (nonzero) digits is 2835, while the sum is 32.

The square root of 197950100 is about 14069.4740484497. The cubic root of 197950100 is about 582.7987010823.

The spelling of 197950100 in words is "one hundred ninety-seven million, nine hundred fifty thousand, one hundred".