197006938 has 4 divisors (see below), whose sum is σ = 295510410. Its totient is φ = 98503468.

The previous prime is 197006917. The next prime is 197007007. The reversal of 197006938 is 839600791.

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

It can be written as a sum of positive squares in only one way, i.e., 128663649 + 68343289 = 11343^2 + 8267^2 .

It is a junction number, because it is equal to n+sod(n) for n = 197006894 and 197006903.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49251733 + ... + 49251736.

Almost surely, 2^197006938 is an apocalyptic number.

197006938 is a deficient number, since it is larger than the sum of its proper divisors (98503472).

197006938 is an equidigital number, since it uses as much as digits as its factorization.

197006938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98503471.

The product of its (nonzero) digits is 81648, while the sum is 43.

The square root of 197006938 is about 14035.9160014585. The cubic root of 197006938 is about 581.8716174274.

The spelling of 197006938 in words is "one hundred ninety-seven million, six thousand, nine hundred thirty-eight".