3197706938 has 4 divisors (see below), whose sum is σ = 4796560410. Its totient is φ = 1598853468.

The previous prime is 3197706931. The next prime is 3197706943. The reversal of 3197706938 is 8396077913.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8396077913 = 31 ⋅270841223.

It can be written as a sum of positive squares in only one way, i.e., 2685001489 + 512705449 = 51817^2 + 22643^2 .

It is a super-2 number, since 2×3197706938² = 20450659322666671688, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3197706938.

It is not an unprimeable number, because it can be changed into a prime (3197706931) by changing a digit.

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 as a sum of consecutive naturals, namely, 799426733 + ... + 799426736.

Almost surely, 2^3197706938 is an apocalyptic number.

3197706938 is a deficient number, since it is larger than the sum of its proper divisors (1598853472).

3197706938 is a wasteful number, since it uses less digits than its factorization.

3197706938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1598853471.

The product of its (nonzero) digits is 1714608, while the sum is 53.

The square root of 3197706938 is about 56548.2708665791. The cubic root of 3197706938 is about 1473.2605273201.

The spelling of 3197706938 in words is "three billion, one hundred ninety-seven million, seven hundred six thousand, nine hundred thirty-eight".