201198449 has 4 divisors (see below), whose sum is σ = 203151936. Its totient is φ = 199244964.

The previous prime is 201198407. The next prime is 201198509. The reversal of 201198449 is 944891102.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 201198449 - 2¹⁶ = 201132913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201198149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 976589 + ... + 976794.

It is an arithmetic number, because the mean of its divisors is an integer number (50787984).

Almost surely, 2^201198449 is an apocalyptic number.

It is an amenable number.

201198449 is a deficient number, since it is larger than the sum of its proper divisors (1953487).

201198449 is a wasteful number, since it uses less digits than its factorization.

201198449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1953486.

The product of its (nonzero) digits is 20736, while the sum is 38.

The square root of 201198449 is about 14184.4439087333. The cubic root of 201198449 is about 585.9693175858.

The spelling of 201198449 in words is "two hundred one million, one hundred ninety-eight thousand, four hundred forty-nine".