197933401 has 4 divisors (see below), whose sum is σ = 198037732. Its totient is φ = 197829072.

The previous prime is 197933383. The next prime is 197933453. The reversal of 197933401 is 104339791.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 122677776 + 75255625 = 11076^2 + 8675^2 .

It is a cyclic number.

It is not a de Polignac number, because 197933401 - 2⁵ = 197933369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (197933501) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49266 + ... + 53131.

It is an arithmetic number, because the mean of its divisors is an integer number (49509433).

Almost surely, 2^197933401 is an apocalyptic number.

It is an amenable number.

197933401 is a deficient number, since it is larger than the sum of its proper divisors (104331).

197933401 is a wasteful number, since it uses less digits than its factorization.

197933401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104330.

The product of its (nonzero) digits is 20412, while the sum is 37.

The square root of 197933401 is about 14068.8805880212. The cubic root of 197933401 is about 582.7823123911.

The spelling of 197933401 in words is "one hundred ninety-seven million, nine hundred thirty-three thousand, four hundred one".