196298939 has 4 divisors (see below), whose sum is σ = 201086760. Its totient is φ = 191511120.

The previous prime is 196298933. The next prime is 196298957. The reversal of 196298939 is 939892691.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-196298939 is a prime.

It is a Duffinian number.

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (196298933) 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, 2393849 + ... + 2393930.

It is an arithmetic number, because the mean of its divisors is an integer number (50271690).

Almost surely, 2^196298939 is an apocalyptic number.

196298939 is a deficient number, since it is larger than the sum of its proper divisors (4787821).

196298939 is an equidigital number, since it uses as much as digits as its factorization.

196298939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4787820.

The product of its digits is 1889568, while the sum is 56.

The square root of 196298939 is about 14010.6723250528. The cubic root of 196298939 is about 581.1737418128.

The spelling of 196298939 in words is "one hundred ninety-six million, two hundred ninety-eight thousand, nine hundred thirty-nine".