19198201 has 8 divisors (see below), whose sum is σ = 21021408. Its totient is φ = 17388000.

The previous prime is 19198183. The next prime is 19198213. The reversal of 19198201 is 10289191.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 19198201 - 2⁷ = 19198073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (19198271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15 + ... + 6196.

It is an arithmetic number, because the mean of its divisors is an integer number (2627676).

Almost surely, 2^19198201 is an apocalyptic number.

19198201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

19198201 is the 1960-th centered decagonal number.

It is an amenable number.

19198201 is a deficient number, since it is larger than the sum of its proper divisors (1823207).

19198201 is a wasteful number, since it uses less digits than its factorization.

19198201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6503.

The product of its (nonzero) digits is 1296, while the sum is 31.

The square root of 19198201 is about 4381.5751733823. The cubic root of 19198201 is about 267.7648165086.

The spelling of 19198201 in words is "nineteen million, one hundred ninety-eight thousand, two hundred one".