196122738 has 16 divisors (see below), whose sum is σ = 448280640. Its totient is φ = 56035056.

The previous prime is 196122733. The next prime is 196122743. The reversal of 196122738 is 837221691.

It is an interprime number because it is at equal distance from previous prime (196122733) and next prime (196122743).

It is a junction number, because it is equal to n+sod(n) for n = 196122696 and 196122705.

It is not an unprimeable number, because it can be changed into a prime (196122733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2334753 + ... + 2334836.

It is an arithmetic number, because the mean of its divisors is an integer number (28017540).

Almost surely, 2^196122738 is an apocalyptic number.

196122738 is an abundant number, since it is smaller than the sum of its proper divisors (252157902).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

196122738 is a wasteful number, since it uses less digits than its factorization.

196122738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4669601.

The product of its digits is 36288, while the sum is 39.

The square root of 196122738 is about 14004.3828139622. The cubic root of 196122738 is about 580.9997995423. Note that the first 3 decimals are identical.

The spelling of 196122738 in words is "one hundred ninety-six million, one hundred twenty-two thousand, seven hundred thirty-eight".