196983901 has 4 divisors (see below), whose sum is σ = 197027712. Its totient is φ = 196940092.

The previous prime is 196983883. The next prime is 196983923. The reversal of 196983901 is 109389691.

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, and also an emirpimes, since its reverse is a distinct semiprime: 109389691 = 149 ⋅734159.

It is a cyclic number.

It is not a de Polignac number, because 196983901 - 2¹⁵ = 196951133 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 (196983961) 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, 14275 + ... + 24448.

It is an arithmetic number, because the mean of its divisors is an integer number (49256928).

Almost surely, 2^196983901 is an apocalyptic number.

It is an amenable number.

196983901 is a deficient number, since it is larger than the sum of its proper divisors (43811).

196983901 is an equidigital number, since it uses as much as digits as its factorization.

196983901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43810.

The product of its (nonzero) digits is 104976, while the sum is 46.

The square root of 196983901 is about 14035.0953327721. The cubic root of 196983901 is about 581.8489361636.

The spelling of 196983901 in words is "one hundred ninety-six million, nine hundred eighty-three thousand, nine hundred one".