196264447 has 2 divisors, whose sum is σ = 196264448. Its totient is φ = 196264446.

The previous prime is 196264399. The next prime is 196264463. The reversal of 196264447 is 744462691.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-196264447 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (196264477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98132223 + 98132224.

It is an arithmetic number, because the mean of its divisors is an integer number (98132224).

Almost surely, 2^196264447 is an apocalyptic number.

196264447 is a deficient number, since it is larger than the sum of its proper divisors (1).

196264447 is an equidigital number, since it uses as much as digits as its factorization.

196264447 is an evil number, because the sum of its binary digits is even.

The product of its digits is 290304, while the sum is 43.

The square root of 196264447 is about 14009.4413521739. The cubic root of 196264447 is about 581.1397001635.

It can be divided in two parts, 1962644 and 47, that added together give a palindrome (1962691).

The spelling of 196264447 in words is "one hundred ninety-six million, two hundred sixty-four thousand, four hundred forty-seven".