196928417 has 4 divisors (see below), whose sum is σ = 225061056. Its totient is φ = 168795780.

The previous prime is 196928411. The next prime is 196928419. The reversal of 196928417 is 714829691.

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: 714829691 = 199 ⋅3592109.

It is a cyclic number.

It is not a de Polignac number, because 196928417 - 2⁸ = 196928161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (196928411) 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, 14066309 + ... + 14066322.

It is an arithmetic number, because the mean of its divisors is an integer number (56265264).

Almost surely, 2^196928417 is an apocalyptic number.

It is an amenable number.

196928417 is a deficient number, since it is larger than the sum of its proper divisors (28132639).

196928417 is an equidigital number, since it uses as much as digits as its factorization.

196928417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28132638.

The product of its digits is 217728, while the sum is 47.

The square root of 196928417 is about 14033.1185771374. The cubic root of 196928417 is about 581.7943016854.

The spelling of 196928417 in words is "one hundred ninety-six million, nine hundred twenty-eight thousand, four hundred seventeen".