196469387 has 2 divisors, whose sum is σ = 196469388. Its totient is φ = 196469386.

The previous prime is 196469363. The next prime is 196469389. The reversal of 196469387 is 783964691.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 196469387 - 2⁸ = 196469131 is a prime.

Together with 196469389, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (196469389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98234693 + 98234694.

It is an arithmetic number, because the mean of its divisors is an integer number (98234694).

Almost surely, 2^196469387 is an apocalyptic number.

196469387 is a deficient number, since it is larger than the sum of its proper divisors (1).

196469387 is an equidigital number, since it uses as much as digits as its factorization.

196469387 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1959552, while the sum is 53.

The square root of 196469387 is about 14016.7537967962. The cubic root of 196469387 is about 581.3419058126.

The spelling of 196469387 in words is "one hundred ninety-six million, four hundred sixty-nine thousand, three hundred eighty-seven".