197083921 has 8 divisors (see below), whose sum is σ = 203750624. Its totient is φ = 190512000.

The previous prime is 197083919. The next prime is 197083927. The reversal of 197083921 is 129380791.

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 197083921 - 2¹ = 197083919 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (197083927) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19455 + ... + 27796.

It is an arithmetic number, because the mean of its divisors is an integer number (25468828).

Almost surely, 2^197083921 is an apocalyptic number.

It is an amenable number.

197083921 is a deficient number, since it is larger than the sum of its proper divisors (6666703).

197083921 is an equidigital number, since it uses as much as digits as its factorization.

197083921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47391.

The product of its (nonzero) digits is 27216, while the sum is 40.

The square root of 197083921 is about 14038.6580911425. The cubic root of 197083921 is about 581.9473988352.

The spelling of 197083921 in words is "one hundred ninety-seven million, eighty-three thousand, nine hundred twenty-one".