197916038 has 16 divisors (see below), whose sum is σ = 300157440. Its totient is φ = 97868736.

The previous prime is 197916029. The next prime is 197916049. The reversal of 197916038 is 830619791.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 197916038.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93698 + ... + 95786.

It is an arithmetic number, because the mean of its divisors is an integer number (18759840).

Almost surely, 2^197916038 is an apocalyptic number.

197916038 is a deficient number, since it is larger than the sum of its proper divisors (102241402).

197916038 is a wasteful number, since it uses less digits than its factorization.

197916038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2591.

The product of its (nonzero) digits is 81648, while the sum is 44.

The square root of 197916038 is about 14068.2635033610. The cubic root of 197916038 is about 582.7652710611.

The spelling of 197916038 in words is "one hundred ninety-seven million, nine hundred sixteen thousand, thirty-eight".