197483638 has 8 divisors (see below), whose sum is σ = 323155080. Its totient is φ = 89765280.

The previous prime is 197483623. The next prime is 197483653. The reversal of 197483638 is 836384791.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (197483623) and next prime (197483653).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 197483591 and 197483600.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4488243 + ... + 4488286.

It is an arithmetic number, because the mean of its divisors is an integer number (40394385).

Almost surely, 2^197483638 is an apocalyptic number.

197483638 is a deficient number, since it is larger than the sum of its proper divisors (125671442).

197483638 is a wasteful number, since it uses less digits than its factorization.

197483638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8976542.

The product of its digits is 870912, while the sum is 49.

The square root of 197483638 is about 14052.8871766623. The cubic root of 197483638 is about 582.3405599225.

The spelling of 197483638 in words is "one hundred ninety-seven million, four hundred eighty-three thousand, six hundred thirty-eight".