197990002 has 16 divisors (see below), whose sum is σ = 339648192. Its totient is φ = 84793680.

The previous prime is 197989949. The next prime is 197990011. The reversal of 197990002 is 200099791.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20313 + ... + 28435.

It is an arithmetic number, because the mean of its divisors is an integer number (21228012).

Almost surely, 2^197990002 is an apocalyptic number.

197990002 is a deficient number, since it is larger than the sum of its proper divisors (141658190).

197990002 is a wasteful number, since it uses less digits than its factorization.

197990002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9873.

The product of its (nonzero) digits is 10206, while the sum is 37.

The square root of 197990002 is about 14070.8920115251. The cubic root of 197990002 is about 582.8378578722.

The spelling of 197990002 in words is "one hundred ninety-seven million, nine hundred ninety thousand, two".