196389047 has 2 divisors, whose sum is σ = 196389048. Its totient is φ = 196389046.

The previous prime is 196389031. The next prime is 196389059. The reversal of 196389047 is 740983691.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 196389047 - 2⁴ = 196389031 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 196388992 and 196389010.

It is a congruent number.

It is a weakly prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98194523 + 98194524.

It is an arithmetic number, because the mean of its divisors is an integer number (98194524).

Almost surely, 2^196389047 is an apocalyptic number.

196389047 is a deficient number, since it is larger than the sum of its proper divisors (1).

196389047 is an equidigital number, since it uses as much as digits as its factorization.

196389047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 326592, while the sum is 47.

The square root of 196389047 is about 14013.8876476158. The cubic root of 196389047 is about 581.2626544900.

The spelling of 196389047 in words is "one hundred ninety-six million, three hundred eighty-nine thousand, forty-seven".