198032207 has 4 divisors (see below), whose sum is σ = 198081960. Its totient is φ = 197982456.

The previous prime is 198032183. The next prime is 198032239. The reversal of 198032207 is 702230891.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 702230891 = 149 ⋅4712959.

It is a cyclic number.

It is not a de Polignac number, because 198032207 - 2¹² = 198028111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198032257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18332 + ... + 27057.

It is an arithmetic number, because the mean of its divisors is an integer number (49520490).

Almost surely, 2^198032207 is an apocalyptic number.

198032207 is a deficient number, since it is larger than the sum of its proper divisors (49753).

198032207 is an equidigital number, since it uses as much as digits as its factorization.

198032207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49752.

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 198032207 is about 14072.3916588475. The cubic root of 198032207 is about 582.8792689264.

The spelling of 198032207 in words is "one hundred ninety-eight million, thirty-two thousand, two hundred seven".