197273838 has 8 divisors (see below), whose sum is σ = 394547688. Its totient is φ = 65757944.

The previous prime is 197273807. The next prime is 197273849. The reversal of 197273838 is 838372791.

197273838 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

197273838 is an admirable number.

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, 16439481 + ... + 16439492.

It is an arithmetic number, because the mean of its divisors is an integer number (49318461).

Almost surely, 2^197273838 is an apocalyptic number.

197273838 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

197273838 is a wasteful number, since it uses less digits than its factorization.

197273838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32878978.

The product of its digits is 508032, while the sum is 48.

The square root of 197273838 is about 14045.4205348220. The cubic root of 197273838 is about 582.1342671529.

The spelling of 197273838 in words is "one hundred ninety-seven million, two hundred seventy-three thousand, eight hundred thirty-eight".